Why is Vitamin D so important?
Early science understood the calcium homeostasis role of Vitamin D and bone health. However, we now know that vitamin D plays a major biological role in human physiology, cell differentiation, proliferation (1) and immunity. In our new understanding, we realise it is no longer recommended to have merely sufficient levels of Vitamin D to avoid rickets. […]
What serum level of Vitamin D should I aim for?
Looking back to the early 20th century, it became known that vitamin D deficiency, brought about by lack of sunlight, caused rickets in young children. Rickets manifests as weaker bones, malformations and stunted growth, and is very painful. Supplementing with cod liver oil, high in Vitamin D, was therapeutic in correcting this condition. Surprisingly rickets […]