Vitamin D is a fat-soluble vitamin. Fat-soluble vitamins are stored in the body's fatty tissue and liver.| medlineplus.gov
Your body needs calcium for many reasons. Learn what foods are high in calcium and how much calcium you need in a healthy diet.| medlineplus.gov
Calcium helps build strong bones. Learn how much you need, good sources, deficiency symptoms, and health effects here.| ods.od.nih.gov