Research has shown that methylcobalamin is more efficiently used and retained in the body than the cyanocobalamin form. This formulation of Methyl B12 includes a concentrated and bioavailable source of two key B vitamins: B12 and folate. Each tablet provides 5,000 mcg of methylcobalamin and 1,000 mcg of folate as Quatrefolic® -100% 5-MTHF.
