Vitamin B12 is what is known as an essential nutrient. That means two things: First, an essential nutrient is a chemical ...

This wave of progress is driven by an increased understanding of how vitamin B12 is absorbed by the body. For some ...

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