huperzine A
Huperzine A is a potent alkaloid that acts as a highly selective acetylcholinesterase inhibitor, making it useful for enhancing cognitive function and memory by increasing acetylcholine levels in the brain. This bioactive compound is primarily extracted from various species of clubmoss, such as Huperzia serrata, Huperzia crispata, and Huperzia selago.
Associated herbs: 7