... -GMP certified 3,Pure natural 4,USP standard Huperzine A is the active ingredient extracted from Huperzia serrata,originated ... advantage] 1,Have the Pharmaceutical Ingredient Approval of Huperzine A 2,GMP contact manufacturer 3,Professional supplier of AP[ ... Product name] Huperzine A[Botanical source] Huperzia serrate[Active ingredient] Huperzine A[Specification] 1%,5%,98%[Appearance] ...