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Supplement comparison tool

Pick up to 4 knowledge base entries and compare their dosage, price, evidence strength and ratings side by side — you can save or share a link to your selection.

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CategoryNootropy i neurohackingNootropy i neurohacking
Evidence strengthStrong evidenceModerate evidence
Evidence Score5/53/5
User rating4.7 (231)4.4 (89)
Typical dose100–400 mg daily for most healthy adults (roughly 1–4 cups of coffee)250–500 mg daily
FormNaturally in coffee, tea, cocoa; also as an isolated supplement in tabletsCapsules or powder
Average price
Monthly cost
Time to effectsEffect noticeable after 15–45 minutes of consumption, peak effect after about an hour.An acute effect (attention, reaction speed) possible within hours of intake; the full effect of regular use develops after a few weeks.
Who it's forPeople needing a short-term improvement in alertness and concentrationPeople looking for mild support for concentration and reaction speed