Vitamin D is a fat-soluble vitamin and helps in various activities including: immune function, metabolism of calcium and phosphorus, and bone mineralization.
Vitamin D is essential for:
- Fat metabolism
- Strong bones
- Cancer prevention
- lnsulin resistance
- Diabetes type 1 and 2
- Cardiovascular disease
- Anti-inflammatory action
- Thyroid function
Vitamin D is mainly “manufactured” in the skin when it is exposed to the sun. It’s also present in some foods such as cod liver oil, salmon, sardines, and eggs.
Vitamin D deficiency leads to rickets and weakened immune systems. A good portion of the population (over 50%) suffers from vitamin D deficiency. Also, following a Paleo diet balanced in the absence of supplements or sufficient solar exposure is not sufficient in obtaining adequate levels of vitamin D.
A deficiency of vitamin D is extremely harmful to your health. Among other things, it contributes to:
- Cancer: particularly cancer of the breast, bowel, and ovaries. Boosting vitamin D levels of 20 ng/ ml may reduce the incidence of breast cancer by 41% .
- Cardiovascular disease: vitamin D levels predict who will die of a heart attack: the lower the level of vitamin D, the greater the likelihood of a fatal heart attack. In Europe, deaths from coronary heart disease are related to the levels of solar radiation: more sun, less dead .
- Mortality: people with higher levels of vitamin D are less likely to die (from any cause). In LURIC study , only 8% of the subjects had a vitamin D level above 30 ng/ml. These people ran fourth in the risk of dying compared to those who were deficient. In this study, a team of Austrian scientists discovered that low levels of vitamin D showed an increased risk of death from cardiovascular disease.
- Diabetes: a higher level of vitamin D is associated with lower rates of diabetes.
- Infectious diseases: rickets in the presence of strong people frequently died of respiratory infections such as pneumonia, tuberculosis, and influenza. The flu and other respiratory infections hit mainly in winter, when the level of vitamin D drops. These connections are not random. In an experiment conducted on Japanese students, integration with 1200 IU per day of vitamin D reduced the risk of influence by 42% .
- Dementia: Vitamin D is very effective in improving cognitive function in patients with Alzheimer’s disease . In one case, a doctor in Georgia reported that a patient with Alzheimer’s disease who had not spoken for a year had found the ability to converse a few months after integrating with 5,000 IU of vitamin D per day.
- Multiple sclerosis: it is well known that the incidence of MS is higher in countries with northern latitudes and is strongly associated with low vitamin D levels .
- Thyroid disease: vitamin D deficiency is associated with autoimmune thyroid disease .
- Depression: Studies show that blood with low Vitamin D levels correlates to depression symptoms, since the brain has many areas with vitamin D receptors
- Inflammatory Bowel Disease: Receptors in the immune system and digestive tract can bind with vitamin D. Even for patients that are newly diagnosed with IBD, studies have shown that many of their levels of vitamin D were low.