vitamin33Is Vitamin D 33 low , hh , normal or dangerous & what it means? It's common in Jaisinghnagar, Gaya, India, L'Honor-de-Cos, Le Diamant, Gaotuan, Hulayqat,Vitamin D helps regulate the amount of calcium and phosphate in the body. These nutrients are needed to keep bones, teeth and muscles healthy. A lack of vitamin D can lead to bone