Vitamin D, commonly known as the sunshine vitamin, Vitamin D is synthesized in the skin following exposure to sunlight. Most healthy adults should be able to get enough Vitamin D from being outside in the sun, unfortunately in the UK in the winter there isn’t much opportunity to get a daily dose of sunshine! People who may be at risk from Vitamin D deficiency include people who: are of Asian origin, rarely get outdoors &  eat no meat or oily fish.  Vitamin D Known to  help maintain serum concentrations of calcium & phosphate .  Vitamin D Know to play a vital role in the normal mineralization of bone thus maintain strong & healthy bones  and protect against bones disorders  Vitamin D Know to helps regulate the absorption & utilization of calcium & phosphorous in the body and plays a crucial function in bone formation & mineralisation to help the development of strong healthy bones & teeth.