98% Huperzine A bulk powder Huperzia Serrata extract

Huperzine A is a substance purified from a plant called Chinese club moss. It is used for Alzheimer's disease, memory and learning enhancement, and age-related memory impairment. It is also used for treating a muscle disease called myasthenia gravis, for increasing alertness and energy, and for protecting against agents that damage the nerves such as nerve gases.