Huperzine A

Huperzine-A is derived from the roots of an herbal firmoss and is known as an acetylcholinesterase inhibitor. This means that Huperzine-A slows the enzymatic breakdown of acetylcholine, a neurotransmitter that plays an important role in arousal, attention, memory and motivation. Know as "the learning neurotransmitter," acetylcholine has been supplemented by scholars and body builders alike. Some early studies suggest that huperzine A may improve memory and protect nerve cells, which could slow the cognitive decline associated with Alzheimer's.