What happens if your body has too much vitamin B12? Read on to find out the dangerous side effects of having excessive levels ...

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

Vitamin B12 overdose is so rare that serious adverse effects from consuming large amounts of vitamin B12 have only been reported in a handful of studies in the medical literature. It’s effectively ...

Some widely used medicines for diabetes and acidity can interfere with vitamin B12 absorption. Neurologists explain which ...

If you're not getting enough vitamin B12 from food, a supplement can help fill the gap. Here's what experts recommend for taking it.

While B12 is best known for being found in animal foods and fortified products, beverages can be a simple and convenient way ...

Can vitamin B12 deficiency be a sign of cancer? Learn the symptoms, risks, connection to cancer, treatments, and why this ...

When it comes to essential nutrients, the B vitamins get a lot of attention—and rightfully so. The water-soluble vitamins help your body make energy from the food you eat and play an important role ...