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Vitamin D3 strengthens the immune system to help the body fight off bacteria and viruses, and it has neuroprotective properties which support brain cell activity, according to the Mayo Clinic.
Deficiency (<50 nmol/L): Europe 40%, US 24%, Canada 37% [2] Vitamin D deficiency or hypovitaminosis D is a vitamin D level that is below normal. It most commonly occurs in people when they have inadequate exposure to sunlight, particularly sunlight with adequate ultraviolet B rays (UVB).
D014807. Legal status. In Wikidata. Vitamin D is a group of fat-soluble secosteroids responsible for increasing intestinal absorption of calcium, magnesium, and phosphate, and for many other biological effects. [1] [2] [3] In humans, the most important compounds in this group are vitamin D 3 ( cholecalciferol) and vitamin D 2 ( ergocalciferol ).
Michael F. Holick ( / ˈhɒlɪk / HOLL-ik; [1] born 1946) is an American adult endocrinologist, specializing in vitamin D, such as the identification of both calcidiol, the major circulating form of vitamin D, and calcitriol, the active form of vitamin D. His work has been the basis for diagnostic tests and therapies for vitamin D-related ...
A U.K. coroner is pushing the country’s Food Standards Agency to upgrade its labeling of certain dietary supplements, after a man died in part from vitamin D toxicity, or hypervitaminosis D ...
Yes, B vitamins absolutely play a very crucial role in metabolism. Most importantly, B vitamins help break down amino acids, release energy from fats and carbohydrates, and transport nutrient ...
Exposing skin to the ultraviolet radiation in sunlight has both positive and negative health effects. On the positive side, exposure allows for the synthesis of vitamin D 3. Vitamin D has been suggested as having a wide range of positive health effects, which include strengthening bones and possibly inhibiting the growth of some cancers.
Cholecalciferol is a form of vitamin D which is naturally synthesized in skin and functions as a pro-hormone, being converted to calcitriol. This is important for maintaining calcium levels and promoting bone health and development. [4] As a medication, cholecalciferol may be taken as a dietary supplement to prevent or to treat vitamin D ...
The Centers for Disease Control and Prevention also reports that water intake is "significantly lower" in older adults: an average of 36 ounces a day for the 60-plus crowd, compared with 51 ounces ...
An excess of vitamin D causes abnormally high blood concentrations of calcium, which can cause overcalcification of the bones, soft tissues, heart and kidneys. In addition, hypertension can result. Symptoms of vitamin D toxicity may include the following: Dehydration; Vomiting; Diarrhea; Decreased appetite; Irritability; Constipation; Fatigue ...