• Is marketed in the U.S. as a dietary suppelement, commonly listed as “Huperzia serrata extract,” “HupA,” or “Chinese club moss.”
• Is a drug in some other countries.
• Is promoted to boost brain health, but there is no evidence to support the claims.
• Lacks evidence of safety, especially when used long-term, and side effects have been reported.
• Is not prohibited for use by Military Service Members.

For more information, read the OPSS article about huperzine A.