Life Extension, High Potency Optimized Folate L-Methylfolate, 8500 Mcg DFE, 30 Veg CapsProduct Description Folic acid is the most common form of folate supplements. Once ingested, body is supposed to convert folic acid, a synthetic version of folate, into 5 methyltetrahydrofolate, or 5 MTHF. But research shows that many people lack sufficient activity of the enzyme thats necessary to convert folic acid to 5 MTHF. A more useful approach is to take 5 MTHF directly. Product Benefits Dietary Supplement. Heart Health Supplements. Brain