Vitamin B12 is a vital nutrient with numerous health benefits. Learn more about what it does in the body and how to get enough of it.

Vitamin B12 deficiency can cause a number of strange sensations, like numbness, tingling, and more. “It felt like electricity was running from my head to my feet,” says Melanie Karmazin, 44, who was ...

Vitamin B12 is needed for the development and function of nerve tissue and the brain, and for the formation of red blood cells and DNA. It is found in protein foods such as fish, meat, eggs and dairy, ...

Meeting the minimum requirement for vitamin B12, needed to make DNA, red blood cells and nerve tissue, may not actually be enough – particularly if you are older. It may even put you at risk for ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." While vitamin B12 might not be as buzzy as calcium or an immediately recognizable household name like ...

Higher vitamin B12 levels are linked to slower annual cognitive decline in individuals without baseline dementia, new research shows.

Vitamin B12 deficiency is common. It can lead to various health issues, affecting everything from energy levels to brain function. Vitamin B12, or cobalamin, is an essential nutrient in meat, fish, ...

Symptoms you're low in B vitamins. Find out the subtle signs that you may have vitamin deficiencies and how to boost your ...

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?

Discover why your vitamin B12 levels could be affecting your brain health, even if your test results come back "normal".