Vitamin B12 is an essential nutrient required for maintaining the health of nerve cells and red blood cells. Moreover, it plays a crucial role in DNA formation, which constitutes the genetic material ...

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

Everyday Health independently vets all recommended products. If you purchase a featured product, we may be compensated. Learn why you can trust us. ON THIS PAGE ON THIS PAGE Vitamin B12, often called ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Plant-forward diets are becoming increasingly popular, thanks to their numerous health benefits, but ...

Your doctor will give you the right dosage of vitamin B12 supplement, especially if you will inject it. Taking too much can cause side effects like nausea, headache, dizziness, and, in some cases ...

Most Americans don't worry about vitamin B-12. Health experts once thought that only strict vegetarians were likely to have a shortage. As long as basic blood counts didn't show any anemia, even these ...

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) ...