Back to Basics- All About Vitamin B12
Written by Margaux J. Rathbun, B.S., N.T.P.
What is Vitamin B12?
The two main forms of vitamin B12 are cyanocobalamin or hydroxycobalamin. It is stored in the liver and functional stores can last for up to three years. It is involved as a co-factor in the transfer of methyl groups, an essential process in the synthesis of DNA. It is also involved in carbohydrate metabolism.
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