Plant Source: Melaleuca Tower (Huperzia serra ta) 
 Product Description: 
 Huperzine A from Huperzia serrata ferns H up erz ia serra ta (Thunb.) T rev. (Also known as Melaleuca tower, Yizu grass) in the isolated extract of a very strong anti-cholinesterase Enzymes of a New lycopodium alkaloids effective monomer, its treatment of myasthenia gravis effective rate of 99.2%, Huperzine A is currently the natural alkaloid that has been used in clinical, trade name, "Huperzine A," " double Yi Ping ", etc., mainly for the treatment of a variety of reasons and in different age groups of elderly people aged crazy memory loss and early disease. In recent years, large clinical studies have confirmed that Huperzine A for AD, vascular dementia (vascular dementia, VD) mental retardation, schizophrenia and other patients in learning and memory disorders and neurodegenerative diseases have a therapeutic effect . "Chinese Dictionary" records the Huperzia serrata has Xiaoyu, bleeding, heat and detoxification. 
 Function: 
 1, is highly selective inhibition of brain acetylcholinesterase activity and enhancement of cholinergic neurons in the brain function. 
 2, the role of multiple targets, in addition to inhibiting acetylcholinesterase activity, but also by engaging in anti-oxidative stress and apoptosis pathway protective effect on neurons, 
 3, for a variety of experimental memory impairment have improvement. 
 4, mainly for the treatment of Alzheimer's disease (A lzheimer's disease, AD).