Huperzine A protects acetylcholine from breaking down
) In numerous clinical trials, Huperzine A has been shown to increase cognitive function in all ages. Huperzine A is a plant alkaloid derived from the Chinese club moss plant. It protects the neurotransmitter, acetylcholine, a messenger molecule in the central and peripheral nervous system that is strongly involved in cognition, concentration, and memory. 1 daily.