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

Vitamin B12 is typically well-tolerated, but in very rare cases, there are serious side effects to be aware of. Learn more about them here.

Your body needs vitamin B12 for maintaining metabolism, producing DNA and red blood cells, keeping the nervous system healthy, and more (1, 2). Fortunately, most people get enough of this ...

Beef is a good source of vitamin B12. However, other foods, like clams, oysters, lamb liver, and sardines, contain even ...

Vitamin B12 is important for the health of your nervous system and your red blood cells. It can be found in many animal products and fortified foods. In the United States, about 6% of people under age ...

Vitamin B12 is long understood as a vital nutrient required for red blood cell formation and nerve function, but a new ...

Vitamin B12 is essential for red blood cells, DNA synthesis and your cognitive health. Taking your vitamin B12 supplement at breakfast time may help with efficacy. While side effects are rare, vitamin ...

Add Yahoo as a preferred source to see more of our stories on Google. Registered dietitians explain what vitamin B12 is, how much you need, and the potential side effects of taking too much. Vitamins ...

From vitamins C and D to calcium and magnesium, it’s critical to know whether you’re taking the correct dosage to avoid health problems ...

Both chicken and turkey are lean, protein-packed staples — but one comes out slightly ahead for heart health and overall ...