It is brown to white fine powder and extracted from Huperzia serrata Specification: 1%, 5%, 98% HPLC
It is white fine powder and extracted from the seed of Mucuna Pruruien Specification: 99% HPLC
It is brown fine powder and extracted from the leaf of Ginkgo biloba L. Specification: 24 / 6, CP05, CP10, CP15, USP
It is brown yellow fine powder and extracted from the seed of Glycine max Specification: 20%, 50%, 70%
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