- 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.