During cold and flu season, and the COVID-19 pandemic, it is essential to maintain healthy levels of vitamin D to help reduce your risk of viral and bacterial illness.5,6 A blood test is the best way to determine your vitamin D levels, but here are some symptoms that may indicate your levels are low.
1.Aching muscles — Nearly half of all adults are affected by muscle pain.7 Researchers believe most of those are deficient in vitamin D. Some studies have suggested that nerves have vitamin D receptors that affect the perception of pain. In one animal model, research demonstrated a vitamin D-deficient diet can induce deep muscle hypersensitivity that was not connected to low levels of calcium.8
2.Painful bones — Vitamin D regulates the level of calcium in your body, necessary to protect bone health.9 Vitamin D deficiency can cause your bones to soften, called osteomalacia. This may be a precursor to osteoporosis.
3.Fatigue — This is a common symptom of a variety of different health conditions, including sleep deprivation. Researchers have found that supplementing cancer patients suffering from fatigue can improve their symptoms.10
In one study11 using 174 adults with fatigue and stable medical conditions, the researchers found 77.2% were deficient in vitamin D. After normalizing their level, the fatigue symptoms improved significantly.
4.Reduced muscle performance — Vitamin D deficiency is as common in athletes as in others. Vitamin D is crucial for muscle development, strength and performance. Older adults taking a vitamin D supplement have a reduced risk of falls and improved muscle performance.12
Correction through oral supplementation or sensible sun exposure may reduce symptoms of stress fractures, musculoskeletal pain and frequent illness. Vitamin D also has a direct effect on muscle performance. In one paper from the Journal of the American Academy of Orthopaedic Surgeons, the author wrote:13
“Higher serum levels of vitamin D are associated with reduced injury rates and improved sports performance. In a subset of the population, vitamin D appears to play a role in muscle strength, injury prevention, and sports performance.”
5.Brain health — Vitamin D is also essential for your brain health. Symptoms of deficiency can include dementia caused by an increase of soluble and insoluble beta-amyloid, a factor in Alzheimer's disease.14 Research has also found an association with depression15 that may be associated with the function of vitamin D buffering higher levels of calcium in the brain.16
Vitamin D deficiency in pregnant women can increase the risk of autism and schizophrenic-like disorders in the baby.17 One study of people with fibromyalgia found a vitamin D deficiency was more common in those who had anxiety and depression.18 Another looked at vitamin D deficiency in obese subjects and found a relationship between low levels of vitamin D and depression.19
6.Poor sleep — The mechanism linking vitamin D and poor sleep quality has not been identified. But research has found people with low levels of vitamin D have poor quality sleep and a higher risk of sleep disorders.20
7.Sweaty head — Excessive sweating, especially on your head, or a change in your pattern of sweating, can indicate a vitamin D deficiency.21
8.Hair loss — Vitamin D is crucial to the proliferation of keratinocytes and plays an important role in your hair cycle. The vitamin D receptor appears to play a role in the anagen phase of hair growth, leading researchers to conclude, "Treatments that upregulate the vitamin D receptor may be successful in treating hair disorders and are a potential area of further study."22
9.Slow-healing wounds — Chronic wounds are a major public health challenge.23 In the U.S. 2% of the population is affected by chronic wounds and it is estimated to account for 5.5% of the cost of health care in the U.K. NHS. Vitamin D promotes wound healing and the creation of cathelicidin, a peptide that fights wound infections.24
10.Dizziness — Evidence from animal models suggests that vitamin D is critical in the development of the inner ear,25 which affects balance and coordination. Analysis of people with vestibular neuritis, characterized by vertigo, showed lower serum vitamin D levels than in people without vestibular neuritis.26
11.Heart problems — Clinical studies have shown that vitamin D3 improves circulation and can help improve high blood pressure.27 In one study28 researchers discovered that vitamin D3 also has a significant effect on the endothelial cells that line your cardiovascular system. They found that it helped balance concentrations of nitric oxide and peroxynitrite, which improved endothelial function.
12.Excess weight — How vitamin D affects obesity has not been identified. However, data do show there is a high probability of deficiency in people who are obese.29
13.Recurring infections — There have been multiple epidemiological studies that show vitamin D deficiency can increase the risk of infection and raise the severity, particularly in respiratory tract infections.30 Multiple studies have demonstrated that vitamin D deficiency increases the potential risk for severe disease and mortality, especially in those who are critically ill.31
14.Reduced cognitive function — Data show that vitamin D deficiency increases your risk of dementia twofold32 and raises your risk of impaired cognitive function.33
VitaminDWiki
Top 10 signs of Vitamin D Deficiency (9 minute Video) - Oct 2021
Deficiency of Vitamin D category starts with the following
- Overview Deficiency of vitamin D
- Many reasons why vitamin D deficiency has become epidemic
- 23 of the 40 reasons are recent
- Many doctors continue to believe 2,000 IU of vitamin D is max (Hungary in this case)– Dec 2021
- 73 percent of US infants still do not even get 400 IU of Vitamin D - June 2020
- Vitamin D levels are dropping rapidly – what you need to do
- 4 Reasons why Vitamin D levels are crashing
- Update Reasons for Low Vitamin D and what to do with a concise table
- Air Pollution reduces Vitamin D
- Vitamin D levels in 56 countries (many have less than 20 ng) – 2021
- Trends in vitamin D status around the world – Nov 2021
- Vitamin deficiency in US military – Vitamin D is the most prevalent and is growing rapidly – June 2021
- Smoking reduces vitamin D - many studies 77 studies as of Feb 2024
- Low Vitamin D is worse for your health than smoking
- Many categories of people are at High Risk of low vitamin D -
67 studies - 26 health factors increase the risk of COVID-19 – all are proxies for low vitamin D
- Diseases arising from depletion are cured by repletion - Hippocrates 400 BC
Diseases that may be related via low vitamin D which contains the following list__
88+ Disease associations: Disease 1 ==> Disease 2 (both associated with low vitamin D
- Statins ==> many diseases associated with low vitamin D update Jan 2012
- Parkinson, Alzheimer, Stroke ==>Hip fracture
- Parkinson's ==> Osteoporosis
- Low Grip Strength ==> Osteoporosis
- Immune System disease (CVID) ==> Osteoporosis
- COPD ==> Osteoporosis
- COPD ==> Bone Fracture 4.7 X
- COPD ==> osteoporosis, cardio., skeletal muscle, anemia, metabolic synd.
- HIV ==> Osteoporosis
- Cancer - Prostate ==> Osteoporosis
- Cancer - Prostate ==> Melanoma
- Cancer - Gynecological ==> Atherosclerosis
- Atopic Dermatitis ==> Osteopenia 1.8 X
- Alopecia Areata spot baldness ==> 5X higher risk of Lupus, vitiligo, metabolic syndrome
- Skin wrinkles ==> Fragile bones
- Depression ==> Fragile bones
- Depressed ==> Stroke 1.7X
- Depression ==> Heart Disease 1.4X
- Depression + Stroke ==> death 3X
- Depression ==> premature birth
96% increase in premature birth if anti-depressants in late pregnancy - Depression ==> Cognitive Decline
- Depression <==> Diabetes
- Acne ==> Depression
- Diabetes ==> Cognitive impairment
- Diabetes ==> Vertebral fracture in men only
- Diabetes ==> Rheumatoid Arthritis
- Diabetes ==> PCOS women
- PCOS ==> Diabetes
- Asthma ==> Diabetes 10X
- ear, nose, and throat infection ==> Diabetes 10X
- Periodontitis + Low Vit D ==> Diabetes 2.8X
- Obesity ==> Diabetes
- Diabetes ==> Pancreatic Cancer
- Diabetes ==> Cancers
- Diabetes ==> Alzheimer's
- Diabetes ==> TB?
- Diabetes (T1) ==> Multiple Sclerosis
- Diabetes ==> Parkinson's
- Smoking ==> weak bones
- Dental problems==> depression (pregnancy)
- Endometriosis ==> Coronary Heart Disease 3X
- Pregnancy ==> dental problems
- Pregnancy ==>Restless Legs
- No molar ==> 12X increase in Breast Cancer
- Obesity <==> Multiple Sclerosis
- Obesity ==> Cognitive Decline
- Obesity ==> Psorasis
- Obesity ==> Cancer
- Obesity ==> Migraine Headache 3X
- Aortic calcification==> Vertebral fracture
- Low vitamin D for various reasons ==> 9X Suicide
- Asthma ==> Heart Problems and death
- Kidney ==> Tooth loss 7X
- Kidney Disease ==> Osteoporosis 2014 full text
- Multiple Sclerosis ==> Asthma 3X
- Multiple Sclerosis ==> 2.6X increased Migrane Headache, web, full text online
- Multiple Sclerosis ==> Fractures 4X
- Multiple Sclerosis ==>>Fibromyalgia
- Multiple Sclerosis ==> Diabetes (T1)
- Psoriasis ==> Metabolic Syndrome on the web
- Psoriasis ==> Metabolic Syndrome
- Psoriasis ==> Kidney Disease
- Psoriasis ==> Heart problems
- Psoriasis ==> Diabetes
- Psoriasis==> Osteoporosis
- Psoriasis ==> Sleep Apnea
- Celiac Disease ==> Anemia, Psoriasis
- Celiac Disease ==> poor bones Aug 2014
- Intestinal Failure (gut) ==> Low Bone Mineral Density
- Chronic Pancreatitis ==>Painful bones
- Rheumatoid Arthritis ==> Cardiovascular
- Rheumatoid Arthritis ==>Psorasis 3.6X
- IBD ==> Cancer
- Stroke ==> Hip Fracture
- Stroke ==> Parkinson's Disease 2.4X
- Restless Legs <==> ADHD
- Schizophrenia ==> Depression
- Schizophrenia ==> Diabetes 3X
- Sleep Apnea ==>Fatty Liver disease
- Sleep Apnea ==>Gout
- Gout ==> Depression 3.8 X
- Hepatitis-C ==> Cancers - liver, prostate, ?
- Hepatitis -C ==> peripheral arterial disease 12X increase if > 65 years old
- Vitiligo ==> thyroid problems 2013
- Rickets ==> Autism
- Autism ==> Poor Bones
- Epilepsy ==> Osteoporosis
- Rickets ==> Breathing
- Lupus ==>preterm birth
Less Vitamin D getting to tissues
Instant test: two of 3 points hurting confirms < 20 ng of Vitamin D
Do some of your bones bend/are painful when pressed?
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