Alternatively, folic acid is the synthetic form of vitamin B9 found in many multivitamins, fortified foods, and certain pharmaceuticals.
Your body must convert folic acid to the metabolically active form of folate, L-methylfolate, before your body can use it. Most naturally occurring food sources of folate are already in this active form.

So we recommend you better form of folate:
Magnafolate® L Methylfolate(active folate)—maximizes the supplementation delivering a "finished" folate the body can immediately use without any kind of metabolization.
It can better supplement the folate that the body lacks.
Jinkang Pharma ,the Manufacturer & Supplier of L Methylfolate.