Huperzine A

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Huperzine A is an compound found in Huperzia serrata (Chinese club moss) or Huperzia selago (fir club moss) that increases the levels of the neurotransmitter acetylcholine.[1][2]

Huperzine A is sold under the brand name Cerebra and is the primary ingredient in Parasym Plus, a dietary supplement marketed for Ehlers Danlos Syndrome, postural orthostatic tachycardia (POTS), and mast cell activation disorder.[3]

Theory[edit | edit source]

Evidence[edit | edit source]

Huperzine A may improve memory and thinking, for example in Alzheimer's disease, but evidence is very limited.[1]

Clinicians[edit | edit source]

Risks and safety[edit | edit source]

Costs and availability[edit | edit source]

See also[edit | edit source]

Learn more[edit | edit source]

References[edit | edit source]