Vitamin B2, also known as riboflavin & formerly vitamin G, is part of the B vitamin family, & as such it is water-soluble &
...There are two forms of vitamin B12 available on the market: methylcobalamin & cyanocobalamin. We use methylcobalamin in our vitamin B12 supplements, as research has shown that this form of vitamin B12 remains in the body for a longer period of time & at higher levels than cyanocobalamin.