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Side-by-side comparison of 1 supplements

🧠

Huperzine A

7.5/10moderate

Evidence

Evidence Score7.5/10

Studies: 39+

Meta-analyses: 9

Dosage & Timing

Dosage:

50-200mcg twice daily

Best Time:

Morning and early afternoon, Avoid evening (may cause vivid dreams)

Can take on empty stomach

Form:

Huperzine A capsules (standardized extract)

What You'll Notice

🧠 Enhanced Memory70%

2-4 weeks

🎯 Improved Focus65%

30-60 minutes

📚 Enhanced Learning60%

2-4 weeks

Safety

moderate safety rating

Contraindications:

Heart conditions (can slow heart rate)
Asthma/COPD (can increase bronchial secretions)
GI ulcers (increases gastric acid)

Drug Interactions:

Acetylcholinesterase inhibitors
Anticholinergic medications

Side Effects:

NauseaVivid dreamsMuscle twitching

Works Well With

Alpha-GPCcomplementary

Compare Supplements

Huperzine A

Evidence

Dosage & Timing

What You'll Notice

Safety

Works Well With

Categories

Compare Supplements

Huperzine A

Evidence

Dosage & Timing

What You'll Notice

Safety

Works Well With

Categories