Huperzine-A is an alkaloid compound derived from the herb Huperzia serrata and is an ingredient of herbal formulas used in Chinese medicine to treat Alzheimer's disease and age-related cognitive ...

(–)-Huperzine A 1, originally called (–)-selagine A, is a natural compound that was first reported in the literature in 1937 in an article by Polish researcher Piotr Oficjalski about the toxicity of ...