Vitamin B12 can contribute to energy, mood, cognitive function and heart health. Read more about the benefits, deficiencies and how much you need.

Medically reviewed by Jonathan Purtell, RDN Vitamin B12 helps your body make red blood cells, produce energy, and keep your brain and nerves healthy, but you have to get it from food or supplements.

Vitamin B12 contains cobalt, hence its name, cobalamin. It's a water soluble vitamin your body uses to create red blood cells and DNA. It also helps develop your central nervous system.

Vitamin B12 is an essential nutrient for our bodies. Here's how to be sure you're getting enough of it. Sean Jackson Sean Jackson is a creative copywriter living in Florida. He's had work ...

Vitamin B12 also known as cobalamin, is one of eight B vitamins our body requires to convert food into fuel. Apart from helping the body to produce energy from carbohydrates, these B complex ...

Vitamin B vs. vitamin B12 Given how much vitamin B12 comes up on its own, it’s understandable to want to know how it’s different from vitamin B. But B12 is just a specific type of vitamin B.

4. Too little vitamin B12 could weaken bones. Low levels of vitamin B12 has been linked to osteoporosis, or the weakening of bones. A 2015 review found a lack of B12 might trigger the body to make ...