L-Methylfolate L-Methylfolate, also commonly known as 5-MTHF, is the active form of vitamin B9 the human body can actually use. Magnafolate has the most stable, purest and safest L-Methylfolate on the planet.

L-Methylfolate L-Methylfolate, also commonly known as 5-MTHF, is the active form of vitamin B9 the human body can actually use. Magnafolate has the most stable, purest and safest L-Methylfolate on the planet.