Buy Methylcobalamin Vitamin B12 online at Wholesale Nutrition. Each sublingual tablet contains 1000 mcg of Vitamin B12 as Methylcobalamin. Latest findings are that the Methyl form of B12 is more effective than the cobalamin, or cyano form of B12. Vitamin B12 is important for growth, cell reproduction, blood formation, and protein and tissue synthesis. Read more…(www.nutri.com)