5-MTHF：meaning and others

5-methyltetrahydrofolate, or 5-MTHF, is a natural form of vitamin B9 your body is ready to absorb and use for nutritional purposes. 

It is now a very popular form of folate for this reason, especially among people who have problems metabolizing other forms of B9 from foods and supplements.

Note the “L” in some of the above names. This letter indicates that the vast majority of human bodies can absorb it. 

“6(S)” instead of “L” indicates this as well.