Vitamin D supplementation has been found to preserve telomere length and may slow the biological ageing process, according to ...

Vitamin D is more than just one vitamin. It’s a family of nutrients that shares similarities in chemical structure. In your diet, the most commonly found members are vitamin D2 and D3.

4 Diagram showing biosynthesis of active form of vitamin D - Calcitriol - via the kidneys and the liver - schematic molecular structure chemical illustration. Image Credit: Bass stock/Shutterstock ...

Vitamin D is essential for a range of bodily functions ... but vitamins D2 and D3 have slightly different molecular structures. The main difference is that vitamin D2 comes from plants, whereas ...

vitamin D, was unambiguously identified in the 1930s, thanks to the work of researchers studying the chemical structures of members of the cholesterol family.