Huperzine A
A potent acetylcholinesterase inhibitor derived from Chinese club moss — it sharpens focus and memory by keeping acetylcholine (your brain's attention molecule) active longer.
Benefits
- +Inhibits acetylcholinesterase, increasing acetylcholine in the brain
- +May improve memory and concentration
- +Used in research for Alzheimer's disease (investigational)
- +Quick-acting — effects felt relatively fast
- +Neuroprotective properties
Dosage & Cost
Note the unit — micrograms (mcg), not milligrams. This is a potent compound at tiny doses. Cycling is essential: commonly done on 2 days, off 2 days, or one week on / one week off.
Side Effects
- !Can cause nausea, dizziness, or headaches
- !Bradycardia (slow heart rate) at higher doses
- !Should be cycled — build tolerance quickly (use 2 days on, 2 days off, or similar)
- !May interact with cholinesterase inhibitor medications
- !Not ideal for daily long-term use without cycling
Food Sources
- • Derived from Huperzia serrata (Chinese club moss)
- • Not available meaningfully through food
- • Supplementation is the only way
References & Links
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This page is for informational purposes only. The information here has not been evaluated by the Food and Drug Administration (FDA). No supplement discussed on this page is intended to diagnose, treat, cure, or prevent any disease. Please consult your doctor or a qualified healthcare professional before taking any dietary supplement.