Medically reviewed by Maggie Moon, MS, RD Vitamin B12 supports red blood cells, nerve health, and DNA production, with adults ...

From preventing anemia and shoring up energy to keeping you sharp and focused, there are many reasons why vitamin B12 is considered a key nutrient. Note: The U.S. Food and Drug Administration (FDA) ...

This essential vitamin is generally considered safe, even at high doses. However, most people get enough B12 through diet alone, and unnecessary supplementing may lead to negative side effects.

Metformin is the first therapy for almost everyone with type 2 diabetes, but studies show that the drug creates a risk of vitamin B12 deficiency. Your clinician should test your B12 levels regularly ...

Vitamin B12 (cobalamin) is an important nutrient that strengthens your body's blood cells. It also nourishes your nerve cells and helps keep them healthy. B12 also assists in the formation of DNA.

metformin molecule Long-term use of metformin may increase the risk of vitamin B12 deficiency and possibly other complications (anemia, neuropathy). Long-term use of metformin may increase the risk of ...

Vitamin B12 deficiency is behind most things you care about. For example, it supports the nervous system - a complex network that takes in information through your senses, processes the information ...