L-methylfolate is the biologically active form of vitamin B9.
That means it is the form the human body can actually use in circulation.
It goes by several other common names including:
Methylfolate
L-Methylfolate calcium (refers to the calcium salt molecule it is attached to)
Magnafolate
Metafolin and Deplin
5-MTHF and L-5-MTHF
Levomefolic acid
5-methyltetrahydrofolate
(6S)-5-methyltetrahydrofolate and Quatrefolic.
The letters or numbers before the name refers to the 3D chemical structure of that compound.
In this case all you need to know is that L- and 6(S)- indicates biologically active L-Methylfolate.
Magnafolate® ,the Manufacturers & Supplier of L-5-Methylfolate.