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

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

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 an essential nutrient that's often overlooked. Also known as cobalamin, vitamin B12 helps your body produce vital red blood cells and boost your energy levels, among other things.

Vitamin B12 is essential for red blood cell formation, nerve health, and DNA synthesis. Vegetarians risk deficiency due to limited natural sources. Including dairy, fortified cereals, paneer, and ...

Pernicious anemia is an autoimmune condition in which the body cannot absorb vitamin B12 properly. A person with pernicious anemia requires lifelong vitamin B12 supplementation. Vitamin B12 is ...

Vitamin B12 deficiency can cause early warning signs in the feet, including tingling, numbness, and balance problems due to nerve damage and reduced oxygen supply. Experts warn these symptoms should ...

This article was reviewed by Craig Primack, MD, FACP, FAAP, FOMA. Since the dawn of the Internet (and probably well before), there have been several solutions sold for weight management — including ...