Dietary Supplement For Learning and Memory* Huperzine A is a natural compound extracted from the Chinese club moss, Huperzia serrata. Worldwide studies have shown that Huperzine A supports learning and memory by protecting acetylcholine, a neurotransmitter that acts as a messenger molecule in the brain, Huperzine A may be used for both short-term "brain boost" needs, such as preparing for a test, as well as more long term needs,s such as reducing the mild memory loss associated with normal aging.* Hypoallergenic: Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance. *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.