With Metafolin® L-5-MTHF Folate 400 provides Metafolin® L-5-methyltetrahydrofolate (L-5MTHF), the naturally occurring, universally metabolized form of folate. Metafolin® is a registered trademark of Merck KGaA, Darmstadt, Germany. Ingredients:Folate 400 Supplemental Facts Amount Per Serving each vegetarian capsule contains: folate 400 mcg. (as Metafolin®, L-5-MTHF) hypoallergenic plant fiber (cellulose), vegetarian capsule (cellulose, water) 1