Plant Source: Huperziaceae Huperzia plant Huperzia serrata
Appearance: brown to white powder
Huperzine A is a reversible acetylcholinesterase inhibitor with high selectivity, low toxicity and efficacy for a long time, etc., is by far the international treatment of Alzheimer's ideal drug candidate. For myasthenia gravis, age-related memory decline and Alzheimer's disease, juvenile learning disabilities and memory enhancement.
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