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Evidence of Vit D Benefits
Health Problems and Vit D (left column)
87 proofs that Vit D works
Intervention Trials
Meta-analysis = Trial summary
Cost savings with Vit D
Quality of life, healthspan
Increases lifespan
Ways to get Vit D
How and when to take it
Restore in days/weeks
Sources of Vitanub D
Fortify your family foods
Vit D from sun near noon
UV- from lamps or sun
Food is a minor source
Take Vit D3, not D2
Forms of Vit D
Getting Vitamin D into your body
Gut-friendly forms
Injection
Topical (spray and cream)
Inhaled - experimental
If very poor liver - Calcidiol
If very poor kidney - Calcitriol
How much to take
Overview How Much vitamin D
Is the goal 50 ng of Vit D?
How to ask your doctor how much Vit D
Reasons for Vit D deficiency
High Risk of low Vit D
Dark Skin
Obese
Little access to sun
Shut-in
Genes can limit the benefits
Receptor gene can limit Vit D actually getting to cells
If born in wrong season need more Vit D
Deficiency overview
Vit D levels
World Recommends IU and ng for D
Optimum level of D
Consensus on levels of D needed
Health Problem about 10X more likely if low Vit D
30 problems have doubled in a decade
Increased use of Vit D
Test to see if dose is right for you
Vit D levels dropped by half in 20 years
22 reasons why Vit D has dropped
How often to take Vit D
Daily or weekly
Once every 2 weeks is great
Monthly sometimes better than daily
Quickly restore (loading dose)
Supplements - if >40 ng Vit D
Cofactors in a nutshell
Magnesium
Omega-3
Vitamin K
Boron
Calcium (reduce)
Iodine
Iron
Vitamin B12
Zinc
What I actually take (bulk)
Vitamin A (avoid extremes)
Vit D levels around the world
World
Canada
Europe
Far from equator
Middle East
Orient
Australia & New Zealand
Rare problems if too much Vit D
Toxicity of Vit D (rare)
Too much Vit D
Drug potency may change
Charts
Health problems decrease
Charts by GrassrootsHealth
Vit D and the brain
Top charts
Search for a chart
Videos & Books
5 min. Video by VitaminDWiki
Books and videos
Book - High dose to treat MS
Book - High dose
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In your language
For a chart
Web for medical articles
For items in a pair of categories
More information
Top news items
Popular pages
Diseases related to low D
Increased use of Vit D
Low response to Vit D - many reasons
About us
What might stop you from starting Vit D
Antibiotics health problems are eerily similar to those due to low Vit D
Why are doctors reluctant to accept Vit D
Patents for Vit D
Animals need Vit D too
Overviews (60+)
Subject categories in VitaminDWiki
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36
About D - introduction
115
About D - more info.
179
Books, videos on Vitamin D
366
Deficiency of Vitamin D
47
Evidence for D
650
Intervention
19
Better than daily
197
Intervention - non daily
491
Meta-analysis of Vitamin D
108
Food sources for Vitamin D
111
Fortification with Vitamin D
91
Forms of Vitamin D
25
Calcidiol
48
Calcitriol
54
Injection
94
Health
38
ADHD
135
Autism
167
Autoimmune
39
Back pain
14
Bipolar
272
Bone - Health
386
Breathing
212
Cancer
15
Cancer - Liver
87
Cancer - after diagnosis
25
Cancer - Bladder
223
Cancer - Breast
118
Cancer - Colon
16
Cancer - Leukemia
50
Cancer - Lung
22
Cancer - Lymphoma
54
Cancer - Other
21
Cancer - Ovarian
55
Cancer - Pancreatic
94
Cancer - Prostate
110
Cancer - Skin
431
Cardiovascular
47
Cholesterol
293
Cognitive
41
Cystic Fibrosis
80
Dental
217
Depression
463
Diabetes
12
Ear
14
Epilepsy
222
Falls and Fractures
110
Fertility and sperm
271
Genetics
35
CYP27B1
390
Vitamin D Receptor
141
Vit D Binding Protein
170
Gut
36
Headache
39
HIV
136
Hypertension
195
Immunity
617
Infant-Child
137
Inflammation
194
Kidney
23
Kidney Stones
88
Liver
61
Lupus
85
Metabolic Syndrome
356
Multiple Sclerosis
352
Obesity
51
Osteoarthritis
192
Osteoporosis
138
Pain - chronic
1
Parathyroid
82
Parkinson
756
Pregnancy
56
Psoriasis
101
Rheumatoid Arthritis
119
Rickets
345
Seniors
97
Skin
427
Skin - Dark
74
Sleep
18
Spinal Cord
97
Stroke
70
Thyroid and parathyroid
281
Trauma and surgery
108
Tuberculosis
467
Virus
34
Virus-Pregnancy
77
Vision
140
Women
150
Youth
333
How much Vitamin D
9
Follow-thru
76
Optimum
400
Images of D
102
Interactions with Vitamin D
26
Glyphosate
47
More D topics
92
Antibiotics, probiotics
43
Conference
52
Consensus
139
Cost savings with Vitamin D
51
High Risk
32
Shut-in
47
How, when to take Vit. D
40
Increased use of D
161
Loading dose for Vitamin D
3
Microbionome
116
Overview for doctors
18
Greger
29
Patent
65
Predict Vitamin D
22
Quality of Life
22
Season of Birth
225
Mortality and D
33
Too much D
303
Noontime sun and D
133
Off Topic
76
Overviews
234
Sports and Vitamin D
97
Supplement
10
Curcumin
24
Iodine
35
Resveratrol
43
Vitamin B12
0
Vitamin C
29
Vitamin D and Boron
194
Vitamin D and Calcium
54
Vitamin D and Iron
260
Vitamin D and Magnesium
332
Vitamin D and Omega-3
54
Vitamin D and Vitamin A
127
Vitamin D and Vitamin K
52
Zinc
111
Technical D
142
Tests for Vitamin D
815
Top news
97
Toxicity of Vitamin D
40
Treatment by Vitamin D
336
UV and Vitamin D
131
Veterinary and Vitamin D
101
Vitamin D3 instead of D2
14
World
25
Africa
136
Middle East
53
Orient
111
Vitamin D Far from equator
62
Vitamin D in Australia and New Zealand
47
Vitamin D in Canada
209
Vitamin D in Europe
11
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2
Alternate name
146
Category
417
old name
18
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3
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About D - introduction
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Meta-analysis of Vitamin D
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Forms of Vitamin D
Calcidiol
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Health
ADHD
Autism
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Bone - Health
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Cancer
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Antibiotics, probiotics
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Cost savings with Vitamin D
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Increased use of D
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Vitamin D and Vitamin K
Zinc
Technical D
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Treatment by Vitamin D
UV and Vitamin D
Veterinary and Vitamin D
Vitamin D3 instead of D2
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Africa
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Vitamin D in Australia and New Zealand
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Vitamin D in Europe
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No correlation noticed between Head and Neck Cancer and vitamin D - June 2010
Obesity was a better predictor of endocrine cancer than 30ng vitamin D
2 X better survival of digestive cancer if 2,000 IU of Vitamin D plus good VDBP gene – RCT Feb 2020
2X more likely to survive a form of esophageal cancer in China if have good vitamin D receptor – Feb 2017
2X more Thyroid Cancer malignancy if less than 15 ng of vitamin D – June 2012
3X higher risk of oral cancer if CYP27B1 and CYP24A1 genes were different – May 2012
500 Head and neck cancers – higher survival if higher vitamin D – Nov 2016
5X less risk of Kidney cancer if good ratio of Vitamin D binding protein to circulating vitamin D – Nov 2013
Blacks are more obese, have lower Vitamin D, and have more Cancer etc. than whites – Feb 2018
Blood cell cancer is associated with a 3X worse Vitamin D Receptor – June 2019
Bone tumors much more likely to be malignant if low Vitamin D – multiple studies
Brain cancer in 175 countries related to low UVB and low vitamin D – Oct 2010
Cancer - Other
Cancer of glands (Adenocarcinoma) associated with 2X lower vitamin D levels – Aug 2013
Cancers and Vitamin D Council
Cervical lesions (precancerous, identified by pap smear) treated by bi-weekly 50,000 IU of vitamin D – RCT Feb 2017
Digestive track Cancer (poorly differentiated) death 4X less likely if 2,000 IU of vitamin D – RCT Oct 2019
Digestive tract cancer death rates reduced a bit by a bit of vitamin D – RCT April 2019
Endometrial cancer and vitamin D – controversy
Endometriosis, Endometrial Cancer, and poor Vitamin D or Receptor – Aug 2018
Esophageal Cancer 40 percent less likely in parts of UK with more sun (vitamin D) – Feb 2018
Esophageal cancer clinical trial to see if 50000 IU vitamin D weekly well help – Oct 2010
Esophageal Cancer surgery helped by 300,000 IU of Vitamin D – RCT Sept 2018
Eye cancer and UV – Review of controversy – Sept 2013
Gastric Cancer 2.7 X more likely if poor Vitamin D Receptor (Chinese) – 2015
Gastric Cancer 8.8 times more likely if low vitamin D – Sept 2016
Gastric Cancer patients with more vitamin D more likely to live– Feb 2012
Gastrointestinal Cancers - mostly positive Vitamin D studies – May 2019
Glioma (brain, spinal cancer) 40 percent less likely if male vitamin D levels were high 15 years earlier – Aug 2015
Head and Neck cancer associated with low vitamin D, adding Vitamin D to cancer cells looks promising – July 2018
Head and Neck Cancer associated with low vitamin D, especially with blacks - April 2012
Head and Neck Cancers still associated with low Vitamin D – Nov 2020
Increased risk of various cancers if poor vitamin D genes (Binding Protein and CYP27B1) - Sept 2019
Kidney cancer 22 percent less likely if high vitamin D – meta-analysis Nov 2015
Kidney Cancer 4X more likely if poor Vitamin D Binding Protein (5X in previous study) – Oct 2019
Molecular Link between Vitamin D and Cancer Prevention – Oct 2013
Omega-3 reduced by 4X the interruption of Cervical Cancer chemotherapy due to toxicity – RCT June 2019
Oral cancer risk and vitamin D status, intake, and supplementation - review May 2013
Osteosarcoma grows more slowly when there is enough vitamin D – Dec 2011
People taking Vitamin D far more likely to be disease free after esophageal cancer surgery – Dec 2016
Sore mouth due to cancer therapy (oral mucositis) substantially reduced by daily 1,000 IU of vitamin D – June 2017
Thyroid Cancer 1.3X higher risk if low vitamin D (yet again) – meta-analysis June 2018
Thyroid Cancer 1.4 X higher risk if low vitamin D– meta-analysis Feb 2018
Thyroid Cancer 1.9 X more likely if poor gene to generate Vitamin D from the sun (DHCR7) – July 2019
Thyroid Cancer rate has increased 3X in 3 decades, Vitamin D Receptor decreases, Calcium increases – Aug 2017
Vitamin D and Risk of Rarer Cancers – Jan 2013
Vitamin D levels very low for some childhood cancers, then got lower – Sept 2012
Vitamin D might reduce gastric cancer in humans too – Sept 2011
Vitamin D might stop colon cancer metastasis to liver cancer – Aug 2017
Yet again, some cancers of esophagus vary with UV – Dec 2012
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Health Problems and D
Acne
(20+) studies)
Attention Deficit Hyperactivity Disorder
(35+)
Allergy
Overview
Amyotrophic Lateral Sclerosis
(30+)
Alzheimer's
Overview
Ankylosing Spondylitis
(15+)
Antibiotics & Pro
(84+)
Overview
Arthritis see:
Osteo
Rheum
Asthma
Overview
Atopic Dermatitis Overview
(18+)
Autism
(133+)
Overview
Autoimmune
(164+)
Back Pain
(37+)
Bipolar Disorder
(14+)
Bone - Health
(269+)
Breathing
(382+)
Burns, wounds
(30+)
Cancer
(211+)
Overview
After diagnosis
(84+)
Bladder
(24+)
Breast
(223+)
Overview
Colon
(116+)
Overview
Leukemia
(16+)
Liver
(14+)
Lung
(50+)
Overview
Lymphoma
(22+)
Other
(56+)
Ovarian
(21+)
Pancreatic
(55+)
Prostate
(93+)
Overview
Skin
(110+)
Overview
Cardiovascular
(430+)
Overview
Carpal Tunnel Syndrome
(12+)
Cerebral Palsy
(6+)
Cholesterol
(47+)
Overview Cholesterol and vitamin D
)
Chronic Fatigue
Overview
Cognitive
(290+)
Overview
Colds and flu
Overview
Concussions
(25+)
Chronic obstructive pulmonary disease
(17+)
COVID-19
(150+)
Cystic Fibrosis
(41+)
Dental
(77+)
Depression
(215+)
Diabetes
(455+)
Overview
Diseases gen.+ misc,
(93+)
Ear
(11+)
Endometriosis
(8+)
Epilepsy
(14+)
Falls/Fractures
(219+)
Overview
Fatigue, Chronic
Overview
Fertility and sperm
(109+)
Fibromyalgia
Overview
Fractures
Overview
Fraility
(16+)
Genetics
(266+)
CYP27B1
(35+)
Vit D Binding
(141+)
Vit D Receptor
(384+)
Gestational Diabetes
(34+)
Gout
(13+)
Gut
(167+)
Overview
Hair
(20+)
Headache
(34+)
Health - general
(92+)
Hepatitis-B
(9+)
Hepatitis-C
(13+)
Human Immunodeficiency Virus
(39+)
Overview
Hives
(10+)
Hypertension
(135+)
Overview
Hyperparathyroid
Overview
Immunity
(187+)
Infant-Child – moved to bottom
Inflammation
(135+)
Infection
(16+)
Influenza
Overview
Jaundice
(4+)
Kidney
(193+)
Overview
Kidney Stones
(23+)
Overview
Leprosy
(16+)
Liver
(88+)
Overview
Lupus
(60+)
Myalgic Enceph.
Overview
Mental Illness
(20+)
Mental Stress
(5+)
Metabolic Syndrome
(84+)
Overview
Migraine Headache
(4+)
Military – moved to bottom
Mortality
(200+)
Multiple Sclerosis
(356+)
Overview
Muscle
(18+)
Myopia
(17+)
Obesity
(346+)
Overview
Osteoarthritis
(50+)
Overview
Osteoporosis
(191+)
Overview
Pain - chronic
(137+)
Overview
Parkinson
(82+)
Overview
Photosensitivity
(3+)
Pneumonia
(15+)
Pollution
(31+)
Pregnancy
(751+)
Overview
Psoriasis
(55+)
Raynaud's
(4+)
Respiratory Tract Infection
(8+)
Restless Legs Syndrome
(15+)
Rheum. Arth
(101+)
Overview
Rickets
(119+)
Overview
Sarcopenia
(28+)
Schizophrenia
Overview
Seniors – moved to bottom
Sepsis
(16+)
Shingles
(15+)
Shin splints
(4+)
Sickle Cell
(17+)
Overview
Skin
(97+)
Overview
Dark
(419+)
Overview
Sleep
(70+)
Smoking
(33+)
Spinal Cord
(18+)
Spinal Surgery
(13+)
Sports – moved to bottom
Statins
(40+)
Stroke
(96+)
Overview
Suicide
(16+)
Thyroid/Parath.
(70+)
Overview
Trauma and surgery
(279+)
Tuberculosis
(107+)
Overview
Urinary Tract Infection
(15+)
Vertigo
(18+)
Virus
(390+)
Vision
(77+)
Women – moved to bottom
Youth – moved to bottom
People and Low Vitamin D
Infant-Child
(606+)
Military
(27+)
Seniors
(341+)
Overview
Sports
(230+)
Overview
Women
(139+)
Overview
Youth
(148+)
# of studies as of Nov 25, 2020