Medically reviewed by Erika Prouty, PharmD Key Takeaways Vitamin B12 is generally safe, but rare reactions like allergies or ...

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

If you're considering a vitamin B12 supplement because of certain dietary restrictions, medical conditions or your age, this ...

Self-medicating with vitamin B12 without a doctor’s guidance is not a good idea. Even though B12 is water-soluble (meaning excess amounts are usually flushed out in urine), taking more than your body ...

Vitamins and minerals are essential for vitality, which may explain why vitamin supplements are a multibillion-dollar business., Among the plethora of supplements on the market, vitamin B12 ranks near ...

Dear T.H.: Many people have strong feelings that vitamin B12 can dramatically improve their health, but it only helps to take vitamin B12 if you are deficient. Vitamin B12 deficiency isn't too common.

When it comes to essential nutrients, vitamin B12 often gets overlooked until serious problems arise. For African Americans, understanding this vital nutrient becomes especially important due to ...