Synthetic vitamins were the basis of the first anticancer drug, aminopterin.
Later, folic acid was found to prevent or treat other health conditions.

But we recommend:
Magnafolate® L-Methylfolate—maximizes the supplementation delivering a "finished" folate the body can immediately use without any kind of metabolization.
Jinkang Pharma ,the Manufacturer & Supplier of L Methylfolate.