Huperzine is an extract of a moss. It is used in Chinese medicine. It has anticholinesterase activity similar to drugs used for Alzheimer's disease (galantamine-Razadyne, Reminyl, Nivalin: and donepezil- Aricept.)
Clinical trials have revealed that the active ingredient of huperzine -HUP A - produced significant improvements in memory deficiencies in the elderly and in Alzheimer's patients. more..
