Similar to vitamin D2, vitamin D3 undergoes metabolic processes in the liver and kidneys to become biologically active. In the liver, vitamin D3 is hydroxylated to form 25-hydroxyvitamin D3 (25(OH)D3) ...
1 National Drug Clinical Trial Center, The First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China 2 Beijing Key Laboratory of Diabetes Research and Care, Department of ...
Vitamin D is available in two forms: plant-derived vitamin D2 or vitamin D3 from animal-based foods (D3 is also produced when skin is exposed to sunlight). Supplements and fortified foods contain ...
The evolutionary drive that led to the generation of skin pigmentation still bewilders scientists. The earliest members of the hominid lineage probably had a lightly pigmented integument covered ...