Cholinesterase Inhibitor
Huperzine A
A potent compound that enhances acetylcholine levels by preventing its breakdown.
KÖGN Health grades Huperzine A as A+ (Strong evidence) and rates it 4.2 out of 5.
Last reviewed · June 2026
Primary effects
- Improved memory
- Enhanced learning
- Increased focus
How it works
Inhibits acetylcholinesterase, increasing acetylcholine availability for memory and learning.
Overview
Huperzine A is a highly potent nootropic often used for memory enhancement. Due to its long half-life and strength, it is typically used in cycles rather than daily to avoid overstimulation. It is frequently included in advanced stacks targeting memory and cognitive performance.
Related ingredients
Graded entries that target the same cognitive goals.
Categories
Educational information, not medical advice. The evidence grade is KÖGN’s editorial assessment of published research, not a health claim. Speak to a qualified clinician before changing what you take.