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

Are you consuming too much vitamin B12? Here are some of the warning signs that your body may send when you have too much vitamin B12 presence in your body.

Vitamin B12 foods are mostly animal-based like salmon or cheese, but it can also be found in fortified plant-based foods like nutritional yeast.

Vitamin B12 deficiency can cause a number of strange sensations, like numbness, tingling, and more. “It felt like electricity ...

Vitamin B12 benefits include improving mood, reducing your risk of dementia, and supporting healthy hair and nail growth.

Your body can't produce vitamin B12 on its own, so getting it from your diet is important. If you're just starting to study it, we'll help you understand it further.

Like most nutrients, vitamin B12 is something that many of us eat every day but don't fully understand. Whether or not your B12 consumption is front-of-mind, our bodies need it for a variety of ...

Vitamin B12 is an important nutrient that your body requires to make red blood cells, nerves and DNA. This powerful nutrient ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When it comes to giving your body the key nutrients it needs, how often do you think about vitamin B12?

What happens to your weight when you take vitamin B12? Your body may have a surprising reaction when you fix any B12 ...

Vitamin B12 deficiency can manifest as tingling or numbness, particularly in the extremities, due to damage to the myelin ...

Medically reviewed by Amelia MacIntyre, DO Vitamin B12 helps your body make red blood cells, maintain nerve health, may boost energy levels, and support a good metabolism (turning food into energy).