Read on to learn everything you need to know about vitamin B12 deficiency, supplements and injections. Vitamin B12 contains cobalt, hence its name, cobalamin. It's a vitamin your body uses to ...

Although your body will store excess vitamin A, some research shows having ... pregnant women and those with a diagnosed deficiency, need supplements. Different supplements have different amounts ...

This article is based on reporting that features expert sources. “The association between vitamin D deficiency and depressive disorders is well established based on the existing research ...

Vitamin B12 deficiency symptoms include canker sores, a swollen tongue, and fatigue. B12 deficiency is often caused by veganism, Crohn's disease, or pernicious anemia. To treat vitamin B12 ...

Vitamin E deficiency can cause muscle weakness, numbness, coordination issues, and more. You are particularly at risk for vitamin E deficiency if you have Crohn's disease or cystic fibrosis.