Foods like crab, trout, salmon, and clams are high in vitamin B12. These and other B12-rich foods can offer health benefits.

Vitamin B12 is an essential nutrient found mostly in animal foods. One large scrambled egg provides about 0.5 micrograms (mcg) of the nutrient—which is about 20% of the recommended daily value.

Taking too much vitamin B can be risky. It may cause nerve damage and strain your liver. It is important to find a balance in your vitamin B intake for good health.

Vitamin B12 for weight loss: Does it work? Since the dawn of the Internet (and probably well before), there have been several solutions sold for weight management — including vitamins for weight loss.

Metformin is the first therapy for almost everyone with type 2 diabetes, but studies show that the drug creates a risk of vitamin B12 deficiency. Your clinician should test your B12 levels regularly ...

Vitamin B12 and magnesium are essential nutrients for energy production, nervous system function, and overall health. When supplementation is needed, it is safe to take vitamin B12 and magnesium ...

Older women who take supplements with high doses of vitamins B6 and B12 may be more likely than their counterparts who don't to experience hip fractures, a U.S. study suggests. While some previous ...

Metformin, widely prescribed for diabetes, is now being studied for its potential to rejuvenate the brain by activating the hypothalamus and reducing toxic proteins. However, long-term use has been ...