... NSF-GMP certified 3,Pure natural 4,USP standard Huperzine A is the active ingredient extracted from Huperzia serrata,originated in ... ,Professional supplier of AP[Product name] Huperzine A[Botanical source] Huperzia serrate[Active ingredient] Huperzine A[Specification] 1%,5%,98%[Appearance] white crystal ... memory disorder resulting from the dementia and cerebral diseases Huperzine A (98%)