Origin: Made by the skin when exposed to sunlight; it is also found in some foods and can be taken as a dietary supplement.
Also Known As:
Overview: Vitamin D3 is a form of vitamin D used to treat and prevent vitamin D deficiency and associated diseases, including rickets. It is also used for familial hypophosphatemia, hypoparathyroidism that is causing low blood calcium, and Fanconi syndrome. It is usually taken by mouth.
is made in the skin following UVB light exposure. It is converted in the liver to calcifediol (25-hydroxyvitamin D) which is then converted in the kidney to calcitriol (1,25-dihydroxyvitamin D). One of its actions is to increase the uptake of calcium by the intestines. It is found in food such as some fish, cheese, and eggs. Certain foods such as milk have cholecalciferol added to them in some countries.
- Supporting bone health
- Insulin control
- Lowering blood pressure
- Supporting heart health
- Preventing certain forms of cancer
- Reducing symptoms of depression
Common Dosage: 100,000 iu/g