Methylcobalamin is a natural form of vitamin B12, and cyanocobalamin is synthetic. The two forms also differ in structure—methylcobalamin contains a methyl group, and cyanocobalamin contains a cyanide ...

It contains six B vitamins: vitamin B12, thiamine, riboflavin, niacin, vitamin B6, and pantothenic acid. However, this supplement doesn’t contain biotin or folate. If you have increased folate ...