Medically reviewed by Sohaib Imtiaz, MD Beef is an excellent source of vitamin B12 (cobalamin). Roasted or cooked boneless ...

Vitamin B12 deficiency can affect red blood cells, metabolism, and nerve health. Learn to recognize common deficiency ...

Vitamin B12 is an essential nutrient that we need to maintain nervous system function and overall health. It's also a very popular dietary supplement, even though most people can get enough of it from ...

If you're considering a vitamin B12 supplement because of certain dietary restrictions, medical conditions or your age, this ...

Vitamin B12 plays a crucial role in numerous bodily functions, yet many people unknowingly suffer from suboptimal levels of this essential nutrient. This vital vitamin contributes to red blood cell ...

While B12 is best known for being found in animal foods and fortified products, beverages can be a simple and convenient way ...

If you're not getting enough vitamin B12 from food, a supplement can help fill the gap. Here's what experts recommend for taking it.

Vitamin B12 is found only in animal foods, but in good amounts. So unless you’re a vegan, chances are you’re getting plenty of it in your diet. Yet many older adults are deficient in the vitamin. Why?