Huperzine A (102518-79-6) is a nootropic alkaloid from the club moss Huperzia serrata that reversibly inhibits acetylcholinesterase (AChE, preferentially the tetrameric form, Ki = 7 nM)1, and antagonizes NMDA receptors (IC50 rat cerebral cortex = 126 µM)
* VAT and and shipping costs not included. Errors and price changes excepted