Cyanocobalamin is an especially common "vitamer" (that is, member of a family of vitamins, all of which have some particular nutritional activity in preventing some vitamin deficiency disease). In the case of the B-12 vitamin family (see Vitamin B-12),...

Methylcobalamin summary and related information.

Hydroxocobalamin (OHCbl) is a natural analog of vitamin B-12, a basic member of the cobalamin family of compounds. Once described as the most beautiful compound in the world since it has an intense red color. Vitamin B12 is a term that refers to a...

Adenosylcobalamin