Most experts now believe that the only form that should be purchased is vitamin D3. Vitamin D2 is also very acceptable, but in the author’s opinion, most individuals should switch to D3.
The precursor 7-dehydrocholesterol, which is found in the skin, is converted to vitamin D 3 through irradiation, and vitamin D 3 is further metabolized in the liver and kidneys to the bioactive ...
the need for the vitamin D supplementation, and efficacy of the supplements have not been clear. Now, the Institute of Medicine recommends tripling the daily intake for most children and adults to ...
The results build on two harmonized Phase I clinical trials, focusing on the use of Vitamin D3 tolerogenic dendritic cells ... New Proteins Involved in Regulating the Cell Membrane Sep.