Pages tagged with "Vitamin D"

11,492 pages, most important first (overviews, then meta-analyses, then RCTs, then newest). Combine with another topic

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• Summary of Pregnancy and Vitamin D
• Vitamin D Cyp genes: VitaminDWiki summary
• Summary of Vitamin D Cost-Effectiveness in VitaminDWiki
• Overview Obesity and Vitamin D
• Overview Hypertension and Vitamin D
• Overview Gut and vitamin D
• Overview Veterinary and vitamin D
• Overview Schizophrenia and Vitamin D
• Overview Loading of vitamin D
• Vitamin D Deficiency Flowchart for UK Primary Care
• Overview Vitamin K and Vitamin D
• Overview Iron Supplements and Vitamin D
• Overview Fibromyalgia or Chronic Fatigue and Vitamin D
• Overview Diabetes and vitamin D
• 25 experts recommended Vitamin D levels 30 - 100 ng - Nov 2009
• 372 types of vitamin D prescriptions in France, 200,000 IU was the most popular
• 21 reasons why doctors are reluctant to accept Vitamin D
• Overview Thyroid and Vitamin D
• Overview Women and Vitamin D
• Overview Autism and vitamin D
• Overview Breast Cancer and Vitamin D
• Overview Alzheimer's-Cognition and Vitamin D
• Overview Pregnancy and vitamin D
• Overview Tuberculosis and Vitamin D
• Traumatic Brain Injury treated by Vitamin D - many studies
• Overview Lung cancer and vitamin D
• Overview Toxicity of vitamin D
• Overview Liver and vitamin D
• Overview Colds and flu and Vitamin D
• Proof that Vitamin D Works
• Overview Cancer and vitamin D
• Overview Meta-analysis of Vitamin D
• Overview Cholesterol and vitamin D
• Understanding vitamin D deficiency - Editorial in Age and Ageing
• Overview Kidney Stones and vitamin D
• Overview Sports and vitamin D
• Cystic Fibrosis patients need different forms of Vitamin D
• Overview Parkinson's and Vitamin D
• Overview Rare Allergic reaction to vitamin D
• Overview Osteoarthritis and Vitamin D
• Overview Prostate Cancer and Vitamin D
• Overview Stroke and vitamin D
• Non-musculoskeletal benefits of vitamin D - Sunil
• Overview Cardiovascular and vitamin D
• Overview HIV and vitamin D
• Overview: Omega-3 many benefits include helping vitamin D
• Overview Cancer-Colon and vitamin D
• Overview Alcohol and Vitamin D
• Overview Influenza and vitamin D
• Overview Magnesium and vitamin D
• Overview Deficiency of vitamin D
• Overview Asthma and Vitamin D
• Overview Rheumatoid Arthritis and vitamin D
• Overview Pain and Vitamin D
• Overview Epileptic children and Vitamin D
• Overview Vitamin D Dose-Response
• Overview MS and vitamin D
• Overview of Rickets and Vitamin D
• Overview Dark Skin and Vitamin D
• Overview Leukemia and Vitamin D
• Overview Skin and vitamin D
• Top Vitamin D papers - 2012
• Overview Kidney and vitamin D
• Overview Seniors and Vitamin D
• Overview Vitamin D books and videos
• Overview UV and vitamin D
• Overview Suntan, melanoma and vitamin D
• Overview Vitamin D3 not D2
• Controversies and consensus in Vitamin D – 3rd Conference
• Overview Osteoporosis and vitamin D
• Overview Middle East and vitamin D
• Overview Fractures and vitamin D
• Vitamin D and Periodontal Disease – continuing education
• Overview How Much vitamin D
• Overview Hyperparathyroidism and vitamin D
• Continuing Medical Education (CME) for Vitamin D includes genes and questions
• Is it ethical to NOT give vitamin D in osteoporosis trials– NEJM
• Overview Metabolic Syndrome and vitamin D
• Doctors have a lot to learn about Vitamin D (Polish doctors in this case)
• 30 to 50 ng of vitamin D is optimal – Central Europe consensus
• Overview Fractures and Falls and Vitamin D
• Immunologic Effects of Vitamin D on Human Health and Disease - Holick
• Vitamin D for adults and elderly – review
• 8 Chapters on Vitamin D topics - 2017
• Medical students still have poor Vitamin D knowledge (score of 4.6 out of 20 – Poland)
• A Dermatologist's Perspective on Vitamin D - Mayo Clinic
• Single question in med school about vitamin D
• Vitamin D Deficiency (for medical professionals with CME test)
• Testing and treating vitamin D deficiency – Mayo with CME
• Vitamin D deficiency – Physicians Assistants Continued Medical Education
• Great Vitamin D webinar for doctors - Plotnikoff
• Defining normal level of vitamin D (need 4000-5000 IU) - Heaney Spring 2013
• Vitamin D survey of general practitioners in New Zealand
• Vitamin D overview by Grant
• Med training still less than 25 hours in nutrition - much less vitamin D
• Fewer than 1 in 4 of nutrition students actually consumed RDA of Vitamin D
• Vitamin D – A Clinical Casebook – 2016
• With just 200 IU vitamin D in intravenous feeds, deficiency results
• Grassroots Health participants Vitamin D vs age, intake, and resulting level
• Quantifying the vitamin D economy in the body - Heaney
• Major review of Vitamin D – Holick
• Optimal Vitamin D during pregnancy - 4000 IU
• Vitamin D deficiency in adolescents – review
• Vitamin D – Continuing Medical Education – 2013
• Health outcomes of vitamin D. Parts I (VDR) and II – 2014
• 229 Genes related to vitamin D
• Survey of Vitamin D Practice in Primary Care (costly)
• Uptodate – Medical professional information – on Vitamin D, etc.
• Genes and Vitamin D - Malacards
• Special issue on Vitamin D in Frontiers in Physiology – Summer 2014
• Wonder when the first doctor will be found liable for not providing vitamin D to a patient
• A doctor becomes aware of vitamin D deficiency in Brazil, a sunny country
• Vitamin D testing typically not needed, but in 9 cases it is
• Graphs of diseases vs vitamin D levels - and D3 vs D2
• UK Nursing Times Review of Vitamin D
• Huge gap between vitamin D advice and actual prescriptions
• Half of elderly care physicians in the Netherlands do not follow vitamin D guidelines – 2013
• 28 pct of dark skinned people in UK not heard of vitamin D and 54 pct not know symptoms
• Overview of vitamin D issues: IoM, Endocrine Society etc.
• Review of Vitamin D - Journal of Family Practice
• Extraskeletal effects and manifestations of Vitamin D deficiency
• Pharmacology of vitamin D
• Australia and NZ very conservative position statement on vitamin D
• . Vitamin D
• Survey of patient and doctor vitamin D knowledge
• Vitamin D: The \"sunshine\" vitamin
• Vitamin D Insufficiency - Mayo
• Vitamin D insufficiency - NEJM
• Consultation to medical professionals on Vitamin D Testing
• How I Treat Vitamin D Deficiency - for Cancer
• Vitamin D: An Evidence-Based Review – 2009
• Vitamin D Benefits - Hope or Hype – with many reader comments
• Use of Vitamin D in Clinical practice – 2008
• Low vitamin D before orthopedic surgery – dark skin 5X more likely
• Paradigm Shift of vitamin D
• Grade A recommendations for vitamin D
• Click here to see vitamin D in N England J of Med or Lancet or BMJ
• CDC Vitamin D Grand Rounds
• Panel Discussion on Vitamin D and Tests - 2011
• Lack of vitamin D and Calcium a world problem – strength of evidence etc – 2009
• Evaluating the vitamin D evidence - Heaney
• Mini-review of vitamin D roles
• Report on Vitamin D – 35 pages
• Vitamin D Holick
• Lighting the way to better health vitamin D – Lancet editorial
• Vitamin D trials, studies, and meta-analysis
• Mayo Clinic still wants stronger evidence of benefits of vitamin D
• Cardiology diseases highly associated with low vitamin D
• Review of vitamin D and bone health studies – with tables
• Rediscovering vitamin D
• Vitamin D talk to Physicians - Heaney
• Consensus Vitamin D position statement – UK
• Vitamin D is not a vitamin nor an anti-oxidant
• Round-table discussion of vitamin D deficiency
• Vitamin D Policy Conference in Europe
• Vitamin D nutritional policy needs a vision for the future – Norman
• NIH on public policy and vitamin D
• Washington EDU on Vitamin D
• Vitamin D is important for cardiovascular health
• Autism (not Vitamin D) - many studies
• Air Pollution reduces Vitamin D production - many studies
• Pneumonia and low vitamin D - many studies
• Nanoemulsion Vitamin D is faster and better - many studies
• Resveratrol improves health (Vitamin D receptor, etc.) - many studies
• Statins and Vitamin D - many studies
• Dengue Fever decimated by Vitamin D - many studies
• Helicobacter pylori infection and low vitamin D – many studies
• Cataracts and Vitamin D - many studies
• Repeat heart attacks cut in half when vitamin D was dosed to reach > 40 ng - RCT
• Heart Failure and Vitamin D - many studies
• Heart Failure and Vitamin D meta-analyses - many studies
• Preterm birth and low Vitamin D - many studies
• Diseases treated by high-dose Vitamin D - many studies
• Longevity and healthspan increased by Vitamin D, Omega-3, Magnesium - many studies
• Cerebral Palsy and Vitamin D - many studies
• Long-COVID and Vitamin D - many studies
• Age-Related Macular Degeneration and Vitamin D - many studies
• Medicaid hospital costs: 7 of the top 10 are associated with low Vitamin D
• Obsessive–Compulsive Disorder (OCD) and Vitamin D - many studies
• Burns, ulcers, and wounds healed by Vitamin D - many studies
• Fasting and Vitamin D - many studies
• Hip fractures and low Vitamin D - many studies
• Chemotherapy and vitamin D - many studies
• Vitamin D helps organ transplant - many studies
• Low Vitamin D strongly associated with Systemic Sclerosis - many studies
• Caries (tooth decay) and Vitamin D - many studies
• Cola Soft Drinks reduce Calcium, Vitamin D, and Magnesium - many studies
• Military and Vitamin D - many studies
• Ultra-processed foods associated with worse health and lower Vitamin D - many studies
• Spot Baldness (Alopecia Areata) associated with low vitamin D – many studies
• Low Vitamin D and the gut problems: barrier, immunity, and microbiome - review
• Microplastics causing problems in humans, etc. (Vitamin D can help) - many studies
• Severe rather than mild Heart Failure 3.4X more likely if low Vitamin D
• Dental Implants helped by Vitamin D - many studies
• Vitamin D Receptor and Obesity – many studies
• Vitamin D and malaria – many studies
• Post-partum depression and low Vitamin D - many studies
• Obesity increases Cancer - perhaps due to low vitamin D - many studies
• Premenstrual Syndrome (PMS) and Vitamin D - many studies
• COPD fought by Vitamin D - many studies
• Total knee arthroplasty – worse outcome if low vitamin D – many studies
• Miscarriage and low Vitamin D – many studies
• Sleep Apnea and Vitamin D - many studies
• Allergic diseases (dermatitis, rhinitis, asthma, food) and Vitamin D - many studies
• Obese people still need 2X to 3X more vitamin D (Mg and weekly help) - review 2026
• The Top 10 Medical Expenses Can All Be Lowered by One Cheap Vitamin
• 5 nutrients are lacking in almost everyone (Vitamin D, Magnesium, Omega-3,...) video with transcript
• Glaucoma fought by Vitamin D - many studies
• Antibiotic, Antimicrobial Resistance, and Vitamin D - many studies
• Hepatitis B virus and Vitamin D - many studies
• Vitamin D helps PCOS most and IVF least across 5 reproductive conditions - review
• Fructose, HFCS and Vitamin D - many studies
• Melatonin and Vitamin D - many studies
• Superbug (Clostridium difficile) Infections strongly associated with low vitamin D - many studies
• 5,000 IU of Vitamin D - many studies
• Inhaled vitamin D helps lungs - many studies
• Vitamin D dosing - many studies
• Berberine: an antioxidant that activates the Vitamin D Receptor - many studies
• Multiple Myeloma (blood cell cancer) treated by vitamin D - many studies
• Topical Vitamin D provides more benefits than oral sometimes - many studies
• 1 in 22 Americans has a diagnosed autoimmune disease - low vitamin D a common thread
• Anxiety, Vitamin D, Omega-3 - many studies
• Coimbra high-dose vitamin D protocol - many studies
• Neuropathy treated by vitamin D - many studies
• More vitamin D means fewer deaths – many studies
• Metastatic Cancer probably reduced by vitamin D - many studies
• Gut health is improved by Vitamin D Receptor activators such as Butyrate
• Gastrointestinal Health, Vitamin D, and VDR - May 2026
• Vitamin D Receptor deactivated by some health problems - many studies
• Diabetic Foot Ulcers helped by Vitamin D - meta-analyses many studies
• Cardiovascular health and Vitamin D - review of 127 studies
• Lyme disease and Vitamin D Receptor - many studies
• Multiple Sclerosis (not Vitamin D) - many studies
• In vitro fertilization (not Vitamin D) – many studies
• Menopause (not Vitamin D) - many studies
• Menopause delayed and symptoms decreased by Vitamin D - many studies
• 12 Vitamin D experts - summary of video -May 2026
• Ulcerative Colitis and Vitamin D - many studies
• Pregnancy, offspring health, and Vitamin D - umbrella of 250,000 pregnancies - meta-analysis
• Breastfeeding and Vitamin D - many studies
• Health benefit of Sunlight is more than Vitamin D in the blood - many studies
• 60,000 IU of Vitamin D daily for 7 years treats many autoimmune diseases without toxicity (cofactors were used)
• Vitamin D and urinary incontinence - many studies
• 17 Autism risk factors: low Vitamin D, virus, vaccine, mercury etc. - many studies
• Blood clotting (Thrombosis) and low Vitamin D - many studies
• Radiation and Vitamin D - many studies
• Cesarean birth much more likely if low Vitamin D - many studies
• Moms.gov (announced on Mothers day) fails to mention Vitamin D
• Randomized Controlled Trials and Vitamin D - many studies
• Glyphosate and Vitamin D - many studies
• Mental stress, physical stress associations with low vitamin D - many studies
• PTH and Vitamin D - many studies
• Vertigo treated by Vitamin D - many studies
• In vitro fertilization and Vitamin D – many studies
• Hypercalcemia and Vitamin D - many studies
• Cancer, Vitamin D - many studies
• Vitamin D toothbrush, chewing gum, oral spray, oral health, etc. - many studies
• Diabetes risk is increased if you have a poor vitamin D receptor - many studies
• Thyroidectomy and Vitamin D - many studies
• Anemia and Vitamin D - many studies
• India and vitamin D - many studies
• Diabetes and Vitamin D meta-analyses - many studies
• Asthma and Vitamin D Receptor - many studies
• Placenta and Vitamin D - many studies
• Nutrition and Vitamin D - many studies
• 300,000 IU of Vitamin D - many studies
• Protein, muscles, bones and Vitamin D - many studies
• Phosphate, Phosphatonins reduce active Vitamin D - many studies
• Diabetes and poor Vitamin D genes - many studies
• Bird flu possible pandemic (Vitamin D can prevent it)- many studies
• Diabetic Retinopathy associated with low Vitamin D - many studies
• Diarrhea and Vitamin D - many studies
• Stroke and Vitamin D meta-analyses - many studies
• Response to Vitamin D - many studies
• Proofs that Vitamin D Receptor activation fights various diseases - many studies
• Respiratory viral infection (RSV) and low vitamin D - many studies
• Pregnancies are helped 10 ways by Vitamin D - umbrella analysis
• Brain and Vitamin D - many studies
• Saliva and Vitamin D – many studies
• Tonsillectomy, tonsillitis and Vitamin D - many studies
• Sleep longer if have more vitamin D – many studies
• 50,000 IU of Vitamin D - many studies
• Weekly, Monthly Vitamin D are typically better than daily - many studies
• Neural tube defect and Vitamin D - many studies
• ALS fought by vitamin D - many studies
• Transgender associated with autism, low vitamin D, low BMD, etc. - many studies
• Tanning beds and Vitamin D - many studies
• Carpal tunnel syndrome and low vitamin D - many studies
• Smoking reduces vitamin D - many studies
• Cancer and Vitamin D - many studies
• NAFLD and Vitamin D - many studies
• Fewer bone and stress fractures with vitamin D - many studies
• Sepsis is both prevented and treated by Vitamin D - many studies
• CYP24A1 gene and Vitamin D - many studies
• Glutathione and Vitamin D synergism - many studies
• Chronic Kidney Disease needs Vitamin D - many studies
• Erectile Dysfunction and vitamin D - many studies
• Weight loss and Vitamin D - many studies
• Kidney Dialysis, low Vitamin D, low Magnesium - many studies
• Respiratory infection, children and Vitamin D - many studies
• Early Puberty if low vitamin D - many studies
• Pancreatitis and Vitamin D - many studies
• Preeclampsia reduced by Vitamin D - many studies
• Bariatric Surgery and Vitamin D - many studies
• Sickle Cell treated by Vitamin D - many studies
• Telomeres and Vitamin D - many studies
• Yeast Infection (Candida etc.) and Vitamin D - many studies
• CYP2R1 gene reduces response to Vitamin D - many studies
• Dementia is associated with low vitamin D - many studies
• Stillbirth reduced by Vitamin D, Zinc, Omega-3 - many studies
• Coronary Artery Disease and Vitamin D - many studies
• PFAS (forever chemicals) reduce Vitamin D and VDR, cause health problems - many studies
• Cardiovascular Disease is treated by Vitamin D - many studies
• Melanoma might be suppressed by Vitamin D - many studies
• Knee osteoarthritis treated by Vitamin D - many studies
• Warts removed by vitamin D injection - many studies
• Crohn's and Vitamin D - many studies
• Vitamin D reduces hair loss - many studies
• Dry Eyes treated by Omega-3 and Vitamin D – many studies
• Hay fever (Allergic Rhinitis) and Vitamin D - many studies
• Middle ear infection (Otitis Media) and Vitamin D – many studies
• Restless Legs Syndrome - Vitamin D, Iron, etc. - many studies
• Delirium more likely if low vitamin D - many studies
• Chronic Hives treated by Vitamin D - many studies
• Vitamin D mitigates heavy metal exposure - many studies
• Herpes virus and vitamin D - many studies
• Juvenile Idiopathic Arthritis is strongly associated with low vitamin D – many studies
• Mitochondria Vitamin D interaction – many studies
• Bladder infection and Vitamin D - many studies
• Vitamin D3 for Vegans - many studies
• Depression substantially reduced by Vitamin D, Omega-3, Magnesium, etc – many studies
• Vitamin D and Vitamin K intervention trials - many studies
• Muscles and Vitamin D - many studies
• Seniors with more vitamin D are less light-headed (Orthostatic Hypotension) - many studies
• Sarcopenia (muscle loss) fought by Vitamin D, exercise and protein - many studies
• Fertility problem (PCOS) reduced by vitamin D, etc. - many studies
• Far fewer respiratory track infections in infants and children getting 400 IU of Vitamin D – many studies
• Ischemic Stroke and Vitamin D - many studies
• ICU patients typically benefit from 300-500,000 IU of Vitamin D - many studies
• Food allergies associated with low Vitamin D - many studies
• Exercise and Vitamin D are synergistic - many studies
• Lumbar degenerative disc diseases might be fought by Vitamin D Receptor activation– many studies
• Fluoridation results in lower IQ, Magnesium, and Vitamin D - many studies
• Vitamin D is the most popular supplement - many studies
• Gestational Diabetes and Vitamin D - many studies
• Skin Aging and Vitamin D - many studies
• IVF 4X more successful for white women with lots of vitamin D – many studies
• Vitamin D is needed before many surgeries – many studies and RCTs
• Gout and Vitamin D - many studies
• Infectious Mononucleosis (virus) and Vitamin D - many studies
• After COVID infection, Vitamin D helps - many studies
• Hemodialysis and Vitamin D - many studies
• Calcifediol (Calcidiol, semiactivated Vitamin D) - many studies
• Arteries and Atherosclerosis and Vitamin D - many studies
• Dark Skin Diabetics and Vitamin D - many studies
• Vitamin D, Omega-3, and Magnesium are synergistic - many studies
• Irritable Bowel Syndrome and Vitamin D - many studies
• Vitamin D and Magnesium need each other - many studies
• Stem cells and Vitamin D - many studies
• Endometriosis treated, and perhaps prevented, by vitamin D - many studies
• Myopia epidemic and Vitamin D - many studies
• Periodontitis reduced by Vitamin D - many studies
• Ankylosing spondylitis and low vitamin D – many studies
• Nerve cells and Vitamin D – many studies
• Uveitis (inflamed eye) and Vitamin D - many studies
• Suicide associated with low vitamin D - many studies
• Fluoride reduces Vitamin D and Magnesium - many studies
• Veterans and Vitamin D - many studies
• Vitamin D: 200 Immunity studies, 750 Virus studies - many studies
• Preterm births reduced by Vitamin D - many studies
• Nursing homes and Vitamin D - many studies
• Epigenetics and Vitamin D – many studies
• Bone Mineral Density and Vitamin D - many studies
• COVID infections and vaccinations decrease Vitamin D – many studies
• Sarcoidosis (rare) problems when taking vitamin D - many studies
• Sjögren’s syndrome (2nd most common rheumatic disease) and vitamin D - many studies
• Infections and low vitamin D - many studies
• UTI associated with low Vitamin D as well as treated - many studies
• Gastric Cancer, Vitamin D, VDR, UV - many studies
• Some Foot and ankle problems are treated by Vitamin D – many studies
• Atrial Fibrillation decreased by Vitamin D or Magnesium - many studies
• Growing pains associated with low Vitamin D - many studies
• Russia and Vitamin D - many studies
• Multiple Sclerosis much more likely if low vitamin D during pregnancy –many studies
• Signs of Vitamin D Deficiency - many studies
• Life-extension, improved healthspan: Diet, Exercise, Omega-3, Vitamin D - many studies
• Vitamin D Receptor (Cancers OR Viruses) - many studies
• Handgrip and Vitamin D - many studies
• Drug interactions with Vitamin D - many studies
• COVID death 12X more likely if poor Vitamin D Receptor (less D gets to cells) - many studies
• Scotland and Vitamin D - many studies
• Dark skin pregnancies and Vitamin D - many studies
• Frailty and Vitamin D - many studies
• People outdoors a lot have higher levels of Vitamin D – many studies
• Vitamin D prevents Hepatitis-C and helps treat it (many studies)
• Sunscreen and Vitamin D - many studies
• Endometrial cancer and Vitamin D – many studies
• Non-oral Vitamin D should be a better form for MS, food allergy, PTSD, etc. – many studies
• Orthopaedic surgeries need Vitamin D – many studies
• Childhood Cancers - Vitamin D can help - many studies
• Caffeine decreases Vitamin D in blood and cells - many studies
• Palliative care is helped by Vitamin D - many studies
• Lymphoma treated by Vitamin D - many studies
• Iceland and Vitamin D - many studies
• Fatigue reduced by Vitamin D (Cancer, muscle, MS, age, etc) - many studies
• Vitiligo (spotty skin) and Vitamin D, UVB - many studies
• Low heart rate variability (bad) is associated with low Vitamin D and COVID – many studies
• Quercetin (a flavonoid) helps activate the Vitamin D receptor – many studies
• Vitamin D aids the clearing out of old cells (autophagy) – many studies
• More Cognitive Impairment after some types of stroke if low vitamin D - many studies
• Diabetes increases chance of death (low vitamin D) - many studies
• Leprosy, low Vitamin D and poor Vitamin D Receptor - many studies
• Autism much more likely if poor Vitamin D Receptor – many studies
• Prisoners have low Vitamin D - many studies
• DNA repair helped by Vitamin D - many studies
• Head and neck cancers and vitamin D - many studies
• Bread fortified with Vitamin D - many studies
• Low-energy fractures in children with low vitamin D - many studies
• Child Obesity and Vitamin D - many studies
• Cancer stem cells and Vitamin D - many studies
• Obesity, Virus, and Vitamin D - many studies
• More vitamin D, more height - many studies
• Poor menstrual cycles 2X more likely if poor vitamin D levels - many studies
• Omega 3 increases vitamin D in the blood – many studies
• Fertility is a function of vitamin D around each egg (follicular fluid) – many studies
• Some anticonvulsant drugs significantly reduce vitamin D levels – many studies
• Progesterone activates vitamin D receptor - many studies
• Systolic blood pressure reduced by vitamin D (many studies)
• Prostate and Urinary systems much better with higher vitamin D – many studies
• Study concluded cognitive problems are not a result of low vitamin D (many studies disagree)
• Spinal fusion and Vitamin D - several studies
• Vitamin D Sulfate (found in breast milk) - several studies
• Sleep, Dr. Gominak and Vitamin D - several studies
• Can Vitamin D treat Diabetes - several studies
• ACL knee problems assocated with low Vitamin D - several studies
• HPV and Vitamin D - several studies
• CPAP and Vitamin D - several studies
• Tick disorders associated with Vitamin D - several studies
• Common cause of dizziness (BPPV) reduced 5 X by several doses of 50,000 IU of vitamin D – several studies
• Peptides enhance Vitamin D's effects — what several studies have found
• Peripheral Arterial Disease (PAD) and Vitamin D - several studies
• Chikungunya virus and Vitamin D - several studies
• Telomeres helped by Vitamin D - several studies
• Chronic functional constipation is associated with low vitamin D - several studies
• COVID increases muscle loss (Sarcopenia), Vitamin D can help - several studies
• Down's syndrome and low vitamin D - several studies
• Nutrigenomics and Vitamin D - several studies
• Preemies, Vitamin D, Omega-3, etc. - several studies
• Tooth Enamel helped Vitamin D - several studies
• Anesthesia can cause cognitive problems in elderly with low vitamin D - several studies
• Tooth loss increases Cancer Risk (low vitamin D associated with both) - several studies
• Anorexia nervosa and Vitamin D - several studies
• Corticosteroids reduce levels of Vitamin D - several studies
• Huntington's Disease and Vitamin D - several studies
• Antibiotic increased risk of diabetes (Vitamin D might help) - several studies
• 22% of children (0-5y) are stunted, Vitamin D deficiency is a primary cause – several studies
• High-Risk Pregnancies: some are due to low vitamin D - several studies
• Monkeypox and Vitamin D - several studies
• Arsenic health problems reduced by Vitamin D - several studies
• Breast Cancer reduces receptor and thus blocks Vitamin D to the cells – several studies
• Office workers and Vitamin D - several studies
• Urinary Tract Infection and Vitamin D – several studies
• Rotator cuff and Vitamin D - several studies
• Earthquake and Vitamin D - several studies
• Biofortification with Vitamin D - several studies
• Kawasaki Disease and Vitamin D - several studies
• Vitamin D interactions with poor gut (Celiac, IBD, and Bariatric surgery) – several studies
• Early-Onset diseases and Vitamin D - several studies
• Enlarged Prostate (BPH) and Vitamin D - several studies
• Oral Cancer and Vitamin D and VDR - several studies
• Early puberty during pandemic (low vitamin D) - several studies
• Leishmaniasis (from sand flea) might be fought by Vitamin D - several studies
• More US adult deaths from Fentanyl than autos or COVID (Vitamin D might help) - several studies
• Low vitamin D might be one of the causes of obesity – several studies
• Endothelium (lining of blood vessels, heart) and Vitamin D - several studies
• Sudden drop of heart rate (vasovagal syncope) is associated with lower vitamin D - several studies
• Vitamin D sprayed inside cheeks (buccal spray) - several studies
• Adrenal, Long-COVID and Vitamin D - several studies
• How silicosis is fought by Vitamin D (in mice) - several studies
• Recurrent Wheezing in children is associated with low Vitamin D – several studies
• Pulmonary Fibrosis (lung scaring) and Vitamin D – several studies
• Multiple Sclerosis much more likely if poor Vitamin D Receptor – several studies
• Rickets – major dental problems when have low vitamin D – several studies
• Obese are 3.4 X more likely to be Vitamin D deficient – meta-analysis
• Endocrine Society recommends Vitamin D to 2 billion people - no test needed
• Brain health improved by Vitamin D - review of 90 studies
• Temporomandibular Disorders (superset of TMJ) - 3.8 X more likely to be vitamin D deficient – meta-analysis
• Colorectal cancer 14 percent less likely if 10 ng more Vitamin D – 22nd meta-analysis
• Colon Cancer is not treated by small amounts of Vitamin D - meta-analysis Aug 2026
• Observational evidence, not RCTs, is the right test for a nutrient like vitamin D - review
• 45% less Autism in offspring if 20 ng/mL more maternal Vitamin D - meta-analysis
• Total Testosterone increased if take more than 4,000 IU vitamin D daily – meta-analysis
• Asian men often smoke then die of lung cancer (if you must smoke, take Vitamin D) – meta-analysis
• Cancer risk weakly associated with vitamin D-binding protein – meta-analysis
• COPD in Asians twice as likely if poor Vitamin D Binding Protein – meta-analysis
• COPD strongly associated with Vitamin D Binding Protein problems – meta-analysis
• C-reactive protein (heart disease marker) reduced by vitamin D – meta-analysis 2014, 2019
• The worse the sleep apnea, the lower the vitamin D levels – meta-analysis 2017, 2020
• Testosterone meta-analysis (not give vitamin D for long enough or gave to unhealthy persons)
• Critically ill patients who received 300,000 IU of Vitamin D were 40% less likely to die within a month - meta-analysis
• Depression is especially reduced by large intermittent doses of vitamin D – meta-analysis
• Anti-depression medication about as good as big increase in vitamin D – meta-analysis of flawless data
• Depression reduced if take more than 5,000 IU of vitamin D daily – umbrella meta-analysis
• Inflammatory biomarkers reduced by Vitamin D - umbrella analysis of 97 RCTs
• Inflammation markers reduced by Vitamin D - umbrella meta-analysis
• Colorectal cancer deaths 26-32% lower with higher Vitamin D – meta-analysis
• Vitamin D did not speed TB recovery when too little was given in a short time - umbrella analysis
• Vitamin D3 better than D2, especially if non-daily or high dose - meta-analysis
• Incidence Autism and ADHD reduced 18 percent per 10 ng of Vitamin D during pregnancy – meta-analysis
• Vitamin D {>10,000 IU daily) is safe to use for Multiple Sclerosis; some RCTs found benefits (need much more)
• Vitamin D3 is 40% better than D2 if normal weight, no difference if overweight –Meta-analysis
• Vitamin D dosing efficacy: weekly is similar to daily - meta-analysis
• Psoriasis not treated by monthly Vitamin D -meta-analysis
• Autism and autoimmune diseases and high-dose Vitamin D - video and summary
• Diabetic foot complications - Vitamin D is the only changeable factor - umbrella of meta-analyses
• Vitamin D also significantly helps standard Multiple Sclerosis Therapy - meta-analysis
• Life expectancy is reduced about 2 years by low Vitamin D or air pollution
• Drug-Resistant Epilepsy is more common if lower level of vitamin D - meta-analysis
• Bladder cancer 25 percent less likely if have high vitamin D – meta-analysis
• Bladder cancer 60 percent less likely if have high vitamin D – meta-analysis
• Liver problems, including hepatitis, are associated with low Vitamin D - Meta-analysis 2025
• Prostate Cancer death 40 percent less likely if 40 ng level of vitamin D – Meta-analysis
• Paricalcitol: patented VDR agonist, vs Vitamin D injection
• CPAP 2X more likely if very low Vitamin D 2 years before - Meta-analysis
• T2 Diabetes and associated CVD problems fought by Vitamin D (weekly 50,000 IU)
• Enveloped virus infection (RSV, coronavirus, HIV, etc.) 1.5X more likely if poor Vitamin D Receptor – meta-analysis
• Need at least 6,000 IU of Vitamin D daily during pregnancy and breastfeeding (Wagner) – meta-analysis
• Vitamin D supplementation reduced the chance of death by 20%
• Depression reduced by 8,000 IU of Vitamin D daily – meta-analysis
• Depression decreased the most with 7,000 IU daily Vitamin D - meta-analysis
• High-dose Vitamin D safe for children (10,000 IU daily, 600,000 IU bolus) – meta-analysis
• Clinically Isolated Syndrome (early MS) reduced 34% by bi-weekly 100,000 IU Vitamin D - RCT
• Sepsis is treated by Vitamin D if you are low - meta-analysis 2025
• Heavy metals can cause health problems if low vitamin D (depression in this study)
• Thyroid Cancer 1.4 X higher risk if low vitamin D– meta-analysis
• Thyroid Cancer 1.3X higher risk if low vitamin D (yet again) – meta-analysis
• Graphs of Vitamin D and Cancer – meta-analysis
• Pancreatic Cancer survival 2.3 X more likely if good level of Vitamin D – meta-analysis
• ICU trials typically use 300,000 IU of Vitamin D - meta-analysis
• Active TB 3.5 X more likely if low Vitamin D - 15th meta-analysis
• Getational Diabetes treated by Vitamin D - meta-analysis April 2026
• Fertility was not improved in men when Vitamin D was only given for a few months - meta-analysis - April 2026
• Ulcerative Colitis treated 4X better when Vitamin D was added – Meta-Analysis
• Colorectal Cancer Fought by Vitamin D – 25th meta-analysis
• Fertility improvement -Vitamin D is the best supplement - meta-analysis
• Chronic Rhinosinusitis is treated with Vitamin D, but the benefits stop 3 months after supplementation stops (no surprise) - meta-analysis
• Hearing Loss 39% more likely if low Vitamin D - meta-analysis
• Risk of AFib after Cardiac surgery cut in half by 200,000+ IU Vitamin D meta-analysis
• Sepsis is ~2X more likely if Vitamin D deficient - meta-analysis
• Vitamin D cut dental caries in half in 1930's – RCT meta-analysis
• After Spinal Fusion, Vitamin D is better than Bisphosphonate Therapy at 1 year - meta-analysis
• MASLD (NAFLD, Non-Alcoholic Liver Disease) and Vitamin D - meta-analysis
• 2,980 Vitamin D meta-analyses as of Feb 2026
• Vitamin D meta-analyses for different health problems
• Burn patients with higher levels of Vitamin D do better in 6 ways - meta-analysis Dec 2025
• Treat 10 people with Vitamin D in the winter to prevent 1 Acute Respiratory Infection - meta-analysis 2026
• Cystic Fibrosis patients have low vitamin D (need different dosing) – meta-analysis
• Tooth transplant - best success if Vitamin D level under 70 ng - meta-analysis Nov 2025
• Autism associated with low Vitamin D (again) – Meta-Analysis
• Autism risk is reduced by Vitamin D – early pregnancy or chlldhood – Umbrella review
• 70% of pregnancies have less than 30 ng of Vitamin D - meta-analysis
• Vitamin D2 lowers the levels of Vitamin D3 in the blood - meta-analysis
• Multiple Sclerosis 2X-3X more likely if poor Vitamin D Receptor – Meta-analysis
• Yet another meta-analysis ignores vitamin D dose and serum level – Autoimmune disease
• 2 X survival of cancer immotherapy if high level of Vitamin D - meta-analysis
• Vitamin D fights many health problems – an umbrella review of 508 studies
• Peripheral arterial disease risk is 1.5X higher if low vitamin D – meta-analysis
• Prenatal vitamin D deficiency increases risk of dental cavities by 35% - meta-analysis
• Multiple Sclerosis risk is increased 50% if low Vitamin D - 19 study meta-analysis
• 4,000 IU Vitamin D while pregnant does not decrease infant respiratory problems (no surprise) - meta-analysis
• Vitamin D before surgery helped again (Thyroid in this case) - meta-analysis
• Vitamin D levels needed to protect against various diseases - meta-analysis
• Small vitamin D doses provide small benefits for acute respiratory infections – Meta-analysis
• Type II Diabetics: Most common deficiency is Vitamin D (2nd is Magnesium) – meta-analysis
• Food allergy 4 X more likely in 2 year-old children with low Vitamin D – meta-analysis
• Vitamin D intake and mortality of 5 cancers: breast, colorectal, lung, pancreatic, and prostate - umbrella
• Rheumatoid arthritis fought by Vitamin D (by single large dose or long enough time) – meta-analysis
• Postmenopausal sexual arousal improved 44% by topical vitamin D (not oral) – meta-analysis
• If low vitamin D before orthopedic surgery, then 1.5 X increased risk of cardiac event (MACE) – meta-analysis
• Breast Cancer Chemo 35% more likely to be successful if more than 20 ng of Vitamin D – meta-analysis
• 3X reduction in preemie Bronchopulmonary Dysplasia if add tiny amount of Vitamin D – meta-analysis
• Non-cancer colon growths 7 % less likely per 10 ng increase in Vitamin D
• Osteoporosis synergistically treated by bisphosphonates and Vitamin D - meta-analysis
• Vitamin D gene (CYP24A1) changes decrease breast and pancreatic cancers – meta-analysis
• Pancreatic cancer mortality 28% more likely if low vitamin D – meta-analysis
• Vitamin D (especially topical) reduces Chronic Pruritus (itchy skin) – meta-analysis
• Chronically Itchy skin treated by topical Vitamin D – meta-analysis
• Lupus patients are 5 X more likely to have low vitamin D – many meta-analyses
• Asthma reduced 60 percent with vitamin D supplementation – meta-analysis 2014, 2015
• Low Back Pain not helped by vitamin D if low dose or short duration (loading dose does help however) - meta-analysis
• Hives (Urticaria) 7X more likely if vitamin D deficient, supplementation helps – meta-analysis
• Weekly Vitamin D better than daily – lower cost, less pill burden, perhaps 1.5X better response – meta-analysis
• Multiple Sclerosis: is strongly related to poor Vitamin D receptors – umbrella review
• Can reduce 10 health problems risks if add vitamin D while pregnant – umbrella review
• Preterm birth 30 percent more likely if low vitamin D – meta-analysis
• COVID ICU use reduced by 42% if take more than 100,000 IU of vitamin D over two weeks – meta-analysis
• Poor Vitamin D Receptor does not increase the risk of Breast Cancer (but the opposite is true) – umbrella meta-analysis
• Risk of bleeding in the eye (RVO) is 14 X more likely if low vitamin D – meta-analysis
• Athletic strength improved by Vitamin D – meta-analysis
• Chronic Heart Failure helped by Vitamin D – meta-analysis
• Cancer survival 4 percent more likely with just a little more vitamin D (4 ng) - meta-analysis
• Infant respiratory distress reduced by Vitamin D – meta-analysis
• Vitamin D reduces many Cardiovascular risk factors (provided doses are personalized) – meta-analysis
• Analysis of 280 Breast Cancer meta-analyses: having low vitamin D was highly suggestive – umbrella
• COVID fought by Vitamin D: 2.3X less likely to die of COVID if supplemented, 1.9 X less likely to become infected – meta-analysis
• COVID and Vitamin D: 2X more likely to die if low, 2X more likely to survive if supplement – umbrella meta-analysis
• COVID death rate in hospital halved if take any amount of vitamin D for any length of time – meta-analysis
• Rickets risk reduced by more than 11 ng of Vitamin D - meta-analysis
• In vitro fertilization not helped by vitamin D if ignore high levels and male levels – meta
• No increase in falls, fractures or all-cause mortality when Vitamin D is given monthly or less often– meta-analysis
• Low Vitamin D is associated with dying sooner (70 studies) – meta-analysis
• Influenza risk cut in half by the only trial giving enough vitamin D for body weight – meta-analysis
• Depression 1.6 X more likely if low Vitamin D, taking Vitamin D reduces depression – umbrella of meta-analyses
• Depression in seniors greatly reduced by Vitamin D (50,000 IU weekly) – meta-analysis
• Getting more than 1,000 IU of Vitamin D cut in half childhood risk of influenza, coughs and fevers – Meta-analysis
• Bladder cancer 25 percent less likely if have high vitamin D – meta-analysis
• Bladder cancer modifiable risk factors include low vitamin D – meta-analysis
• Bladder cancer in muscles 2.7 times more-likely if vitamin D less than 20 ng -meta-analysis
• Women have conception problems when vitamin D levels are less than 24 ng – meta-analysis
• Adults with eating disorders consumed less than 400 IU of vitamin D – meta-analysis
• Increased risk of ADHD (28 pct.) and Autism (58 pct.) if low vitamin D during pregnancy – meta-analysis
• Autism 2X more likely if poor Vitamin D Receptor (yet again) – meta-analysis
• Shift work associated with lower Vitamin D in 12 of 13 studies – meta-analysis
• 100,000 IU of Vitamin D monthly (27 ng) is not enough to reduce fractures and falls – meta-analysis
• Menstrual pain reduced by Vitamin D (50,000 weekly or 300,000 monthly) – meta-analyses
• Cancer of breast is highest in dark-skinned women (low Vitamin D: dark skin and obese)
• Omega-3 increases Vitamin D levels – Meta-analysis
• Ischemic Stroke risk reduced by 2.5 if have good level of vitamin D – meta-analysis
• Insulin resistance in overweight youths treated Vitamin D (such as 50K IU weekly) – meta-analysis
• Vitamin D given daily, weekly, or monthly has similar response (116 RCTs) – meta-analysis
• Celiac Disease 2.2X higher risk if low vitamin D, Gluten Free Diet slightly increases D – meta-analysis
• 1.5X more likely to die of Prostate Cancer if low vitamin D when initially diagnosed – meta-analysis
• 16 factors increase the risk of early-onset colorectal cancer, only vitamin D decreases the risk – meta-analysis
• 5 X less COVID infection of health care workers who took lots of vitamin D – meta-analysis
• Vitamin D deficiency increases risk of Dementia by 1.4 X and Alzheimer’s by 1.5 X – Meta-analysis
• Vitamin D reduces: pre-eclampia 1.6 X, postpartum dep. 3.6 X, autism 1.5X etc. - meta-analysis
• Vitamin D supplementation decreased the risk of preeclampsia by 39% – meta-analysis
• Muscle strength improved with Calfidediol (a form of vitamin D) - meta-analysis
• Muscle Inflammation (idiopathic inflammatory myopathy) 3.2 X more likely if low Vitamin D – meta-analysis
• Dialysis patients 23 percent more likely to live if had just 10 ng more Vitamin D – meta-analysis
• Overactive bladder 4.4 X more likely if low vitamin D – meta-analysis
• Little Vitamin D does not reduce risk of CVD – RCT meta-analysis
• Vitamin D is the best Vitamin to prevent a stroke - meta-analysis
• Early Childhood Caries 1.4 times more likely if 20-30 ng of Vitamin D – meta-analysis
• COVID and Vitamin D: any amount of D, at any time, for any duration reduced ICU - meta-analysis
• COVID-19 mortality extrapolates to zero at 50 ng of vitamin D – 18th Meta-analysis
• Diabetes helped by daily 4,000 IU of Vitamin D – meta-analysis
• Fall prevention - Vitamin D is one of the ways - umbrella review
• Bone loss reduced in women by vitamin D supplementation - Meta-analysis
• High-dose Vitamin D reduced inflammation and insulin resistance (obese children)
• Multiple Sclerosis treatment not helped by small doses of vitamin D (yet again) – meta-analysis
• Acne 3X more likely if low Vitamin D – meta-analysis
• Vitamin D has successfully fortified milk products, bread, orange juice, etc. – meta-analysis
• Neuromyelitis optica spectrum disorder (a rare nerve inflammation) 24X more likely to be vitamin D deficient – meta-analysis
• 1.77 nmol response to 100 IU of Vitamin D (46 RCTs) – meta-analysis
• IBS - Vitamin D was the only micronutrient under DRV - meta-analysis
• Vitamin D response independent of dosing interval – meta-analysis
• Vitamin D and the Critically Ill - meta-analysis
• Even after a Cancer diagnosis Vitamin D improves survival – meta-analysis
• Meta-analysis of Vitamin D
• Vitamin D and Age-Related Macular Degeneration (and 2 AMD meta-analyses)
• Morbid Obesity is associated with low Vitamin D around the globe - meta-analysis
• An eye infection (non-infectious uveitis) 2X more likely if low vitamin D a year before – Meta-analysis
• Chronic Kidney not helped much by little vitamin D (none got to a 75 nmol level) – meta-analysis
• Bariatric Surgery in Adolescents: 41% vitamin D deficient - meta-analysis
• Dental caries 1.22 X more likely if Vitamin D Deficient – meta-analysis
• Infections in children reduced a bit by 2,000 IU of vitamin D - meta-analysis
• Type 2 Diabetes treated by Vitamin D (often 50,000 IU weekly) – meta-analysis
• COVID ICU 3X less-likely if take any amount and type of Vitamin D – meta-analysis
• Vitamin D and fractures – 24 meta-analyses and counting
• Sepsis 2X-3X more likely if poor Vitamin D Receptor – meta-analysis
• Childhood BMI decreased when add a little Vitamin D – meta-analysis
• Indoor athletes have 4.5 ng less Vitamin D (Asia in this case) – meta-analysis
• Yet another reason to take Vitamin D while pregnant – fight COVID - meta-analysis
• NAFLD weakly associated with low vitamin D – meta-analysis 2013
• Knee Osteoarthritis treated by vitamin D if use more than 2,000 IU daily or non-daily high dose – meta-analysis
• IBS reduced by 50,000 IU of Vitamin D (weekly or bi-weekly) – Meta-analysis
• Asthma has been treated by 40 ng of vitamin D, but not this time – meta-analysis
• Osteoporotic bone fractures predicted by 12 risk factors - taking little Vitamin D is one of them – meta-analysis
• Death of women from cancer 24% less likely if 20 ng more vitamin D – meta-analysis
• ICU patients 30 % less likely to die if have enough vitamin D – meta-analysis
• Prostate Cancer Survivors are 2.3 X more likely to have high levels of Vitamin D – meta-analysis
• Alzheimer’s 1.6X more likely if vitamin D is less than 25 ng – meta-analysis
• Rheumatoid Arthritis pain is reduced by Vitamin D, high doses also reduced inflammation (CRP) – Meta-analysis
• T2 Diabetes 30 percent more likely if poor Vitamin D Receptor – meta-analysis of 47 studies
• 77% of Asians have less than 30 ng of Vitamin D – meta-analysis
• Low vitamin D while pregnant – a health emergency (Indonesia in this case) – meta-analysis
• Malaria death 3X less likely in mice given vitamin D (looks good for humans too) – meta-analysis
• Better Cognition needs at least 25 ng of Vitamin D (38 studies)– meta-analysis
• Vitamin D-disease associations vary with the type of study – RCT, Observational, MR
• Inflammation associated with Cancer reduced by Vitamin D – meta-analysis
• Afib 40% less likely after heart by-pass if have enough Vitamin D – meta-analysis
• ADHD in children 2.6 X more likely if low vitamin D – meta-analysis
• ADHD risk factors include low Zinc, Vitamin D, Magnesium and Omega-3 (umbrella review)
• Melanoma is 1.4X more-likely if low Vitamin D – meta-analysis
• Breast Cancer not prevented by vitamin D when use small doses or for just a short time – Meta-analysis
• Vitamin D during pregnancy increased child’s bone mineral density – meta-analysis
• COVID death 1.5 X less likely if high vitamin D, emergency D (50K to 100K) is great – meta-analysis
• COVID was associated with low Vitamin D or Zinc – umbrella review
• Ovarian Cancer 37 percent less likely if high vitamin D – meta-analysis
• Vitamin D Deficiency in South America - meta-analysis
• Eating Fish – 17 health benefits (Omega-3 and perhaps Vitamin D) – umbrella review
• Preeclampsia reduced by 33 percent if high vitamin D – meta-analysis
• Sjögren's Disease ( dry eye, dry mouth, etc.) associated with low vitamin D - Meta-analysis
• Recurrent Stroke 5X more-likely if very low vitamin D - meta-analysis
• Infertile patients 1.7X more-likely to become pregnant if take Vitamin D – meta-analysis
• COVID-19 treated by Vitamin D (reduce ICU by 3X) - 22nd meta-analysis
• COVID-19 death increased 2X if low Vitamin D (less than 10 to less than 30 ng) – 21st meta-analysis
• COVID-19 risk reduced by vitamin D supplementation – umbrella review of 7 meta-analysis
• COVID-19 treated by Vitamin D (example: ICU reduced by 5X) – 20th meta-analysis
• Severe COVID-19 2.5 X more likely if low vitamin D (23 studies) – 19th meta-analysis
• Vitamin D fights COVID (54 studies of 1,400,000 people) – 23rd meta-analysis
• Severe COVID 2.6 X less likely if supplement with Vitamin D – 26th meta-analysis
• Worse COVID during 3Q pregnancy if 2.5 ng lower Vitamin D – meta-analysis
• COVID test positive is about half as likely if have Vitamin D – 24th meta-analysis
• Dialysis patients who added Vitamin D were 41 percent less likely to get infection – Meta-analysis
• Multiple Sclerosis treated when use high doses of vitamin D – meta-analysis
• IBD treated in children by Vitamin D, especially if use more than 2,000 IU daily for 12 weeks – meta-analysis
• Childhood and youth obesity – more than 4,000 IU vitamin D average daily would help – meta-analysis
• Colorectal Cancer 10 percent more likely if poor Vitamin D Receptor – meta-analysis
• Risk of heart failure increased 1.4X if low vitamin D – meta-analysis
• Hip fracture 58 percent more likely if low vitamin D – meta-analysis
• Hip fractures greatly reduced by sunshine, vitamin D, and vitamin K – meta-analysis
• ICU Vitamin D supplementation not help (study ignored level achieved) – meta-analysis 2022
• Low vitamin D in Malaysia (85 percent less than 30 ng) – meta-analysis
• Maternal pregnancy problems if Vitamin D is less than 40 ng – meta-analysis
• Vitamin D, by itself, does not decrease BMI – meta-analysis
• Obesity 1.5 X more likely if poor Vitamin D Receptor – meta-analysis
• Vitamin D loading doses quickly and safely raise levels – meta-analysis
• Depression is treated by 2,000 IU of Vitamin D – 2 meta-analyses
• Risk of Cardiac failure reduced 20 percent by 800 IU of vitamin D and Calcium – meta-analysis
• Some measures of metabolic syndrome are decreased by Vitamin D (may need Mg) – meta-analysis
• Small doses of Vitamin D do not reduce childhood breathing allergies – meta-analysis
• COVID-19 death 1.6 X more likely if low vitamin D (24 studies) – 17th meta-analysis
• Depression treated by 50K IU Vitamin D weekly (but not 1,000 IU daily) – meta-analysis
• Best psoriasis treatment was combo of Vitamin D, UVA, and Calcium – meta-analysis
• Many ear problems are strongly associated with low vitamin D – meta-analysis
• Vitamin D reduces BMI and waist circumference – umbrella meta-analysis
• Risk of Dementia and Alzheimer's reduced by higher levels of Vitamin D – meta-analysis
• Meta-analyses of vitamin D, etc, sorted by associated category
• Prediabetes 1.5 X more likely to go away if take Vitamin D – meta-analysis
• Glycemic control of type 2 diabetes – only Vitamin D had high quality studies – meta-analysis
• Ignoring dose size etc, meta-analysis concludes that Vitamin D does not help (stroke risk in this case)
• Chance of dying increases by 25 percent in seniors if low vitamin D – Meta-analysis
• CAD patients with low vitamin D were 1.6 X more likely to die – 27th meta-analysis
• Cardiovascular death 1.5X more likely if less than 20 ng of Vitamin D – 22nd meta-analysis
• Graves Disease is 2.2X more likely with low vitamin D – meta-analysis
• Depression reduced if use more than 2,800 IU of vitamin D – meta-analysis
• Recurrent Miscarriage 4X more likely if low vitamin D – meta-analysis
• Risk of Cancer increased if poor Vitamin D Receptor – meta-analysis of 73 studies
• Vitamin D fortification of food provides no bone benefit (typically a tiny amount of D) - meta-analysis
• Psoriasis severity associated with low vitamin D (10 studies) – meta-analysis
• Gestational Diabetes – increased risk if poor Vitamin D Receptor – 2 Meta-Analyses 2021
• Gestational diabetes risk reduced 1.5X by Vitamin D – meta-analysis
• Asthma treated by Vitamin D - 13th Meta-analysis
• IBS helped by vitamin D (virtually ignoring dose size, type and duration) – meta-analysis
• 2X increase risk of Asthma if a particular Vitamin D Receptor mutation – meta-analysis
• Cancer mortality reduced 40 pcnt by 2000 IU Vitamin D daily if normal weight – Meta-analysis
• Breast cancer in blacks – 5X increased risk of triple negative if low vitamin D
• Breast Cancer again associated with low vitamin D – 15th meta-analysis
• Miscarriage 1.6 X more likely if low vitamin D – meta-analysis
• More hip fractures if low vitamin D (2.1X in case-controlled studies) – meta-analysis
• Vitamin D reduces preeclampsia, gestational diabetes and hypertension - 38th meta-analysis
• Diabetic Retinopathy 27 percent more likely if low vitamin D – meta-analysis
• Asthma reduced by Vitamin D, even for those using corticosteroids - meta-analysis 2021
• Diabetic Neuropathy 2.8X higher risk if low vitamin D – meta-analysis
• BPH increased risk if poor Vitamin D Receptor in Asians – meta-analysis
• Low Vitamin D associated with preeclampsia - meta-analysis
• Pregnancy problems (LBW, PTB, SGA) associated with low vitamin D, 42nd meta-analysis
• Two thirds of South Asians have low Vitamin D (less than 20 ng) – meta-analysis
• COPD treated by Vitamin D – meta-analysis
• Asthma is 20 percent more likely with a poor Vitamin D Receptor gene – meta-analysis
• Delirium or cognitive problems after surgery 1.5X more likely if low vitamin D –meta-analysis
• Sleep improved a bit by adding a bit of vitamin D – meta-anaysis
• Arterial Stiffness and Vitamins – only Vitamin D was found to help – meta-analysis
• Acute viral respiratory infections (RTI) reduced by Vitamin D - 20 reviews
• Small doses of vitamin D do not reduce risk of Acute Respiratory Infection - meta-analysis
• Preterm births 12 X more likely if poor Vitamin D Receptor (white infants in Italy) – meta-analysis
• Vitamin D3 but not D2 reduces mortality – meta-analysis
• Lung Cancer more likely if poor Vitamin D Receptor – meta-analysis
• Small vitamin D doses while pregnant do not decrease infant allergies – meta-analysis
• White Matter Hyperintensities (brain) 1.8X more likely if 10 ng less vitamin D - meta-analysis
• Latent Tuberculosis 44 percent less likely if Vitamin D more than 30 ng - 14th meta-analysis
• Small amounts of Vitamin D reduce Influenza risk by 22 percent (loading dose is far better) – meta-analysis
• Poor Vitamin D receptor reduced vitamin D levels -meta-analysis
• Vitamin D3 levels decreased by consumption of UV mushrooms – meta-analysis
• Melanoma 2.1 X more likely if low vitamin D – meta-analysis
• Asthma, Fractures, Prostate Cancer, Lupus, etc associated with low Vitamin D – umbrella review
• Anemia 1.6 X more likely during pregnancy if low Vitamin D – meta-analysis
• Review of meta-analyses of non-skeletal benefits of vitamin D (Mortality, RTI, etc)
• Migraine headaches treated by Vitamin D – meta-analysis
• Pregnancies helped by Vitamin D (insulin and birth weight in this case) – meta-analysis
• Influenza Vaccination not benefited by lowish levels of vitamin D – meta-analysis
• Osteoporosis Risk varies with Vitamin D Receptor – three meta-analyses in 2020
• Need at least 6,000 IU daily while breastfeeding to eliminate Vitamin D deficiency – meta-analysis
• Breast Cancer Mortality reduced 60 percent if more than 60 ng of Vitamin D – meta-analysis
• Colorectal cancer 40 percent less likely if 1000 IU more Vitamin D – 21st meta-analysis
• Prostate cancer risk increase with Vitamin D (other studies disagree) – meta-analysis
• Those with TB were 3.2 X more likely to have low vitamin D – 13th meta-analysis
• Recurrrent Cardiovascular deaths cut in half if 10 ng more Vitamin D – meta-analysis
• Viral respiratory infections reduced by both Vitamin D and Zinc – meta-analysis
• NAFLD associated with low vitamin D (in children too) – meta-analysis
• Severe COVID-19 5X more likely if low vitamin D (23 studies) – 16th meta-analysis
• Acute respiratory tract infections prevented by vitamin D (even when ignoring the dose size – Meta-analysis
• Respiratory Tract Infection risk reduced 2X by Vitamin D loading doses – meta-analysis
• Catching Tuberculosis from family member 2 X more likely if low vitamin D – meta-analysis
• 2X higher risk of Alzheimer’s if poor Vitamin D Receptor – Meta-analysis
• 4 fewer days in hospital after hip or knee replacement if good level of vitamin D
• Metabolic Syndrome far less likely if high Vitamin D – 3 meta-analyses 2021
• Vitamin D reduces risk of cause specific death, unless it is D2 – meta-analysis BMJ
• Daily aspirin reduced chance of heart problems by 0.4 percent (but 50X more reduction if Vitamin D) – Meta-analysis
• Urinary Tract Infection in children 4.8 X more likely if low Vitamin D – meta-analysis
• Childhood asthma about 1.3 times more likely if poor Vitamin D Receptor – meta-analysis
• Stroke 22 percent more likely if low Vitamin D – meta-analysis
• Stroke risks increased if low Vitamin D: Death 3.6 X, recurrence 5.5 X – Meta-analysis
• Most Chinese have less than 20 ng level of Vitamin D - meta-analysis
• Atrial Fibrillation 1.3 times more likely if low vitamin D – meta-analysis
• Statin pain reduces Vitamin D levels by 4 ng ( 9 studies) - Meta-analysis
• Severe COVID-19 3.5 more likely if low vitamin D (30 studies) – meta-analysis
• It appears that 40 percent of African-Caribbeans in the Caribbean have less than 30 ng of Vitamin D – meta-analysis
• Chronic Pain reported 38 percent less often if supplemented with Vitamin D – meta-analysis
• Metabolic syndrome risk in children decreased 12 percent for each 10 ng increase in Vitamin D – meta-analysis
• Colorectal cancer 25 percent less likely if good level of Vitamin D – 20th meta-analysis
• Insulin Resistance is associated with low Vitamin D (both diabetic and non-diabetic) – meta-analysis
• Very low Vitamin D in Indian pregnancies– 1 in 3 women not even have 20 ng – meta-analysis
• COVID-19 patients who had supplemented with Vitamin D were 3X less likely to enter ICU
• Low back pain – 72 percent have low vitamin D – meta-analysis
• Obesity causes 20 percent of all cancer, low vitamin D may be the connection – meta-analysis
• COVID-19 was 2.6X more severe if very low Vitamin D (43 studies) – meta-analysis
• COVID-19 mortality 3X more likely if low vitamin D (999,179 people) – meta-analysis
• Low vitamin D - anemia 2.2X more likely (no surprise) – meta-analysis
• Tuberculosis still associated with low vitamin D – 12th meta-analysis
• Jaundice associated with 7 ng less vitamin D – Meta-analysis
• ICU mortality reduced by non-oral vitamin D – meta-analysis
• 3000 IU of vitamin D minimum to reduce parathyroid hormone (PTH) – meta-analysis
• Low Vitamin D if little UVB, supplementation helps (Antarctica) – meta-analysis
• Stress fractures in basic training associated with 2.5 ng less vitamin D – meta-analysis
• 3X less risk of Liver cancer if more than 30 ng of vitamin D – meta-analysis
• Vitiligo associated with low vitamin D (Note: Vit. D and UV has treated it for over a decade) – meta-analysis
• Vitiligo (spotty skin coloring) is 4 X more likely if poor Vitamin D Receptor – meta-analysis
• Prediabetes treated by Vitamin D (34 ng, 3500 IU per day) – meta-analysis
• Vitamin D levels needed and importance - meta-analysis
• Miscarriage 2 times more likely if low vitamin D – meta-analysis
• Colorectal cancer is associated with Vitamin D (17 meta-analyses so far)
• Colorectal cancer treated by Vitamin D – 19th meta-analysis
• 3.7 X less likely to die of COVID-19 if supplemented with Vitamin D - meta-analysis
• Low Vitamin D associated with 2.7X more severe COVID-19 – 12th MA
• Vitamin D supplementation and fewer kidney stones – meta-analysis of RCT
• Adding just a little vitamin D does not help (muscle mass in this case) – meta-analysis
• Less obese child if supplemented with Vitamin D as an infant– meta-analysis
• Vitamin D supplementation fights COVID-19 – 11th meta-analysis
• Sleep improved by Vitamin D, Melatonin, amino acids, etc. -Meta-analysis
• Vitamin D reduces COVID-19 by 80 percent - anonymous meta-analysis
• Less likely to test positive for COVID-19 if higher Vitamin D – meta-analysis
• Deaths from many types of Cancer associated with low vitamin D- review of meta-analyses
• Risk of enveloped virus infection is increased 50 percent if poor Vitamin D Receptor - meta-analysis
• Spot Baldness (Alopecia Areata) 4.1 X more likely if low vitamin D – meta-analysis
• Small vitamin D doses given during pregnancy do not reduce childhood asthma – meta-analysis
• T1 Diabetes 3X lower risk if high vitamin D (over 40 ng) – Meta-analysis
• Hyperglycemia associated with low vitamin D – type II diabetics and healthy people – meta-analysis
• COVID-19 1.7X more likely to be severe if low Vitamin D - meta-analysis
• Increased risk of fracture if high level of Vitamin D (if continue to take Calcium) – umbrella analysis of meta-analyses
• Lung Cancer death 40 percent less likely if high level of Vitamin D – meta-analysis
• Low Vitamin D associated 1.8X increased risk of COVID-19 death in hospital – meta-analysis
• 2311 Systematic Reviews or Meta-Analyses of Vitamin D in PubMed
• Knee osteoarthritis: Vitamin D is the 4th best treatment – meta-analysis
• Vitamin D fights 13 cancers – review of 35 meta-analyses
• Colon cancer both prevented and treated by Vitamin D – meta-analysis
• Spinal disc degeneration 1.8X more likely if poor Vitamin D Receptor – mata-analysis
• Diabetics helped by vitamin D in 5 ways – meta-analysis
• Fewer days in ICU after 300,000 IU of vitamin D, but not 540,000 – meta-analysis
• Vitamin D RDA of 600 IU is not enough - global RCT meta-analysis
• Recurrent Tonsillitis 4 X more likely if low vitamin D – meta-analysis
• Live birth 1.7 X more likely after IVF if good level of vitamin D – meta-analysis
• Overview of Vitamin D Meta-analysis and RCT for Caucasians
• Acute Lower Respiratory Infections in Children - associated with low vitamin D – meta-analysis
• Alzheimer’s Disease risk is 1.3X higher if Vitamin D deficient – meta-analysis
• Prudent to consider that Vitamin D has a role in COVID-19 – meta-analysis
• Frailty risk increases 12 percent for every 10 ng less vitamin D – meta-analysis
• Liver Cancer 8 percent less likely for every 4 ng higher level of vitamin D – Meta-analysis
• Vitamin D loading doses reduce ICU mortality by 30 percent – meta-analysis
• Seniors 2.2 X more likely to walk slowly if very low vitamin D – meta-analysis
• Vitamin D loading doses of up to 400,000 IU OK for adolescents – meta-analysis
• Fatty Fish in diet increases vitamin D level a few nanograms – meta-analysis
• Cancer with low Vitamin D increases Mortality by 13 percent – meta-analysis
• Infant wheezing 40 percent less likely if mother supplemented with vitamin D, vitamin E, or Zinc – meta-analysis
• Endometriosis: 2.7 X more likely if with low vitamin D (trend of 9 studies)– meta-analysis
• Dry eyes associated with low Vitamin D – meta-analysis
• Small doses of vitamin D do not reduce the risk of Breast Cancer – meta-analysis
• Bone quality improved 2X by Vitamin D plus Vitamin K2 (trend) – meta-analysis
• Vitamin D reduces respiratory tract infections by 40 percent– meta-analysis
• Multiple Sclerosis: 10 percent fewer relapses for each 10 ng higher level of vitamin D – Meta-analysis
• Alzheimer’s Disease risk is 1.9 X higher if Vitamin D deficient- meta-analysis
• Lung Cancer risk decreased 2.4 percent with every 100 IU Vitamin D extra intake – meta-analysis
• Small for gestational age is 1.6 X more likely if mother was vitamin D deficient – meta-analysis
• Parkinson’s disease 20 percent more likely in Asians if poor Vitamin D Receptor – meta-analysis
• Parkinson’s disease 1.6X more likely if a poor Vitamin D Receptor – meta-analysis
• Vitamin D does not reduce blood pressure in healthy people (no hypertension, etc) – Meta-analysis
• Multiple Sclerosis 40 percent more likely if mother had low vitamin D – meta-analysis
• Risk of Multiple Sclerosis varies with the Vitamin D Receptor – meta-analysis
• Alopecia areata (spot baldness) associated with 8.5 ng lower levels of vitamin D – meta-analysis
• Hip fractures not prevented by Vitamin D (800 IU daily or large quarterly or annual doses) – meta-analysis
• Rheumatoid arthritis is 40 percent more likely if vitamin D Receptor problem – 2 meta-analyses 2015
• Liver Cancer – higher risk if poor genes (Vitamin D receptor etc) – meta-analysis
• Kidney failure 1.1 X more likely if poor Vitamin D Receptor – meta-analysis
• Poor cognition 26 percent more likely if low Vitamin D (29 studies) – meta-analysis
• Arterial stiffness reduced if use at least 2,000 IU of Vitamin D for 4 months – meta-analysis
• COPD severity is associated with Vitamin D deficiency – meta-analyses 2015, 2019
• Multiple Sclerosis: number needed to treat with vitamin D may be as low as 1.3 – Meta-analysis
• Hypertension not reduced much if use less than 5,000 IU of Vitamin D – meta-analysis
• Psorasis treatment helped by Vitamin D – Cochrane
• Psoriasis is associated with 6 ng less vitamin D – meta-analysis
• Vitamin D supplementation increases strength of lower muscles – Meta-analysis
• Blood vessels not helped by small vitamin D doses – meta-analysis
• African Vitamin D - 60% have less than 30 ng – Meta-analysis
• Inflammatory Bowel Disease 1.5 X more likely if low vitamin D – meta-analysis
• Asthmatics less able to breathe if low vitamin D – meta-analysis
• Vitamin D supplementation improves muscle strength in healthy adults – meta-analysis of 6 RCT
• Vitamin D supplementation help muscles of seniors who are vitamin D deficient – meta-analysis
• Vitamin D trials by military – all 4 found benefit – review
• Multiple Sclerosis and the Vitamin D Receptor – meta-analysis
• Fracture risk reduced somewhat by 800 IU of vitamin D and Calcium – meta-analysis
• How to read a medical study (with notes on Vitamin D studies)
• Vitamin D may prevent falls and fractures without Calcium – an overview of 9 meta-analysis
• Migrants from Middle East are slightly more vitamin D deficient than those from Africa - meta-analysis
• Vitamin D fortification of yogurt – meta-analysis
• Pneumonia 6X more likely if very low vitamin D – meta-analysis
• Psoriasis risk in Caucasians is 1.3 X higher if poor Vitamin D Receptor – meta-analysis
• Vitamin D treats Gestational Diabetes, decreases hospitalization and newborn complications – meta-analysis
• Pneumonia patients 3 X more likely to die if low vitamin D – meta-analysis
• COPD exacerbations 2X less often if low vitamin D then supplemented – meta-analysis
• Tuberculosis 3X more likely if less than 12 ng of Vitamin D - meta-analysis
• Fertility (sperm) associated with vitamin D – meta-analysis
• Crohn’s Disease associated with lower Vitamin D - meta-analysis
• IVF 50 percent more likely to result in pregnancy if high vitamin D – meta-analysis
• Preeclampsia 2.7 X less likely if 50,000 IU of Vitamin D every 2 weeks – meta-analysis
• BMI decreased by Vitamin D (none of the trials used enough D for long enough) – meta-analysis
• Autism risk increased 30 percent by Cesareans (both low vitamin D) – meta-analysis
• Cardiovascular deaths 12 percent less likely if have 10 ng more vitamin D – meta-analysis
• Attention-Deficit Hyperactivity Disorder helped by Vitamin D, need more data – meta-analysis
• Eczema (Atopic Dermatitis) treated by 1600 IU of vitamin D – meta-analysis
• Eczema (Atopic Dermatitis) treated by 1,600 IU Vitamin D (again) – Meta-analysis
• Septic children have low Vitamin D (54 studies, ignored Vitamin D Receptor) – meta-analysis
• Depression less likely if more Vitamin D (12 percent per 10 ng) – meta-analysis
• Lung Cancer patients were 2.4 times more likely to have a poor Vitamin D Receptor gene
• Variety of Vitamin D forms treat Prostate Cancer – RCT Review
• People supplemented with Vitamin D had 13 percent fewer Cancer deaths – Meta-analysis of RCT
• Low-dose vitamin D does not help cardiovascular (many were 100-1,000 IU) – meta-analysis
• Low back pain 2X more likely if very low Vitamin D – meta-analysis
• Poor sleep 1.5 X more likely if less than 20 ng of Vitamin D – meta-analysis
• Vitamin D supplementation reduces many Cardiovascular Disease markers– meta-analysis
• Tuberculosis increased risk if poor Vitamin D receptor varies by race – meta-analysis
• Active form of vitamin D (calcitriol) cut in half the fractures following organ transplant – meta-analysis
• Hepatitis B patients have 2 ng lower level of Vitamin D – meta-analysis
• Diabetic nephropathy (Kidney problem) 1.8 X more likely if poor Vitamin D Receptor – meta-analysis
• Vitamin D helps Diabetic Nephropathy kidneys – meta-analysis
• Diabetics are 2.7 X more likely to get peripheral neuropathy if low vitamin D – meta-analysis
• Hashimoto's thyroiditis 3.2 X more likely if low vitamin D – meta-analysis
• High Blood Pressure reduced by Vitamin D supplementation in seniors and obese – meta-analysis
• Vitamin D reduced only the systolic blood pressure in T2DM – Meta-analysis
• PMS reduced by Vitamin D intervention - meta-analysis
• Asthma supplementation by Vitamin D (any amount) reduced attacks by 25 percent – meta-analysis
• Diabetic inflammation reduced by Vitamin D – meta-analysis
• Inflammatory bowel diseases are associated with Vitamin D etc. – meta-meta-analysis
• Asthma risk reduced by 67 percent with Vitamin D supplementation if level was initially low– meta-analysis
• Hypertension associated with genes which reduce vitamin D – meta-analysis
• Gestational diabetes 60 percent more likely below 20 ng of vitamin D – meta-analysis
• Gestational Diabetes Mellitus 1.5X more likely if low vitamin D – meta-analysis
• Gestational Diabetes 39 percent more likely if insufficient Vitamin D – Meta-analysis
• Alzheimer’s (1.2X) and Parkenson’s (1.3X) more likely if poor Vitamin D Receptor – meta-analysis
• Pancreatic cancer risk of death reduced 19 percent by Vitamin D – meta-analysis
• Tuberculosis (multi-drug resistant) was 13.4 X more likely to be quickly cleared with Vitamin D - Meta-analysis
• Chronic Kidney Disease mortality is 60 percent less likely if good vitamin D – meta-analysis
• Death due to breast cancer reduced 40 percent if high vitamin D – meta-analysis
• More survive Breast Cancer if more vitamin D – 2X fewer deaths with just 30 ng -meta-analysis
• Breast Cancer survival 2X more likely if vitamin D sufficient – meta-analysis
• Colorectal and Breast Cancer – Vitamin D is associated with fewer deaths – meta-analysis
• Crohn’s disease associated with vitamin D and latitude – meta-analysis
• Preeclampsia 2.7X more frequent if low vitamin D – meta-analysis
• Preeclampsia rate cut in half by high level of vitamin D – meta-analysis
• Birth size and weight increased by Vitamin D – meta-analysis
• Infants need 400 IU of vitamin D to prevent rickets – meta-analysis
• ADHD associated with low vitamin D in all 8 trials – meta-analysis
• Pregnancies helped by Vitamin D in many ways – 27th meta-analysis
• Respiratory infections reduced only 20 percent by Vitamin D (ignored dose size, duration, type, etc) – meta-analysis
• APS (a rare disease) is 3X more likely if low vitamin D – meta-analysis
• Lupus associated with low vitamin D – Caucasian 2.2 X, Arab 4.6 X – meta-analysis
• Metabolic Syndrome in children is associated with low vitamin D – review
• Multiple Sclerosis increases risk of Psoriasis by 1.9X (both associated with low vitamin D) – meta-analysis
• Osteoporosis 15 percent more likely if poor Vitamin D receptor – meta-analysis
• Parkinson's Disease 2.1 X more likely if low Vitamin D – Meta-analysis
• Alzheimer's risk increased 7 percent for every 4 ng decrease in Vitamin D– meta-analysis
• IBD relapse rate reduced by low Vitamin D - meta-analysis
• Small or infrequent doses of vitamin D do not reduce heart failure much – meta-analysis
• Preventing Falls in Older Adults – Vitamin D combination is the best - JAMA Meta-analysis
• Vitamin D decreases oxidative stress – meta-analysis
• Juvenile Rheumatoid Arthritis associated with low vitamin D, but how low – meta-analysis
• Vitamin D not help fractures and falls if not vitamin D deficient – meta-analysis
• 16 percent less Prostate Cancer sometimes for each 10 ng vitamin D increase - meta-analysis
• Knee joint space narrowing (Osteoarthritis) 1.5X worse with low vitamin D – meta-analysis