... GMP certified 3,Pure natural 4,USP standard Huperzine A is the active ingredient extracted from Huperzia serrata, ... 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 ...