Guarana: benefits by goal, the dosage that worked, and the supplements ranked
What the 10 human studies of guarana we graded show for each goal, the dose that worked, and the products that hold it. This page is educational, not medical advice.
Guarana benefits, by goal: what the studies show
Members OnlyThe top 1 of 1 goals
| Goal | What the studies show | Studies | Dose that worked |
|---|---|---|---|
| Weight and Metabolism for Women | Too few studies 10 studies, 4 showed an improvement, 1 found none | 10 | 240 mg |
Guarana supplements, ranked by the human studies
Members OnlyNone in our catalog yet
No product in our catalog holds it at a dose that counts yet.
Guarana dosage: how much per day
The dose that worked in the studies, and the upper limit
The studies taken by mouth that showed an improvement gave 240 mg a day.
Biohacker panel
Members OnlyWhat our 10 biohackers say about guarana
Dave Asprey, 6 May 2025, a caution: Dave Asprey warns that some brands intentionally include caffeine or guarana extract in their products to make people feel an immediate effect, which doesn't necessarily mean the product is working. Source
Thomas DeLauer, 8 Apr 2020: Notes that guarana extract is solid and has thermogenic properties. Source
Ben Greenfield, a caution: Ben warns that guarana is similar to coffee in its effects on fat-burning, memory, mood, and alertness, but it's more expensive and carries the same risks as too much caffeine. Source
Questions people ask
Members OnlyAnswered from the figures on this page
How much guarana per day?
The studies taken by mouth that showed an improvement used 240 mg a day.
Can I take guarana with my meds?
Some supplements can change how meds work or are absorbed. Members have every product checked against the meds in their Health Profile before it joins their protocol.
Educational, not medical advice. Figures come from the human studies on PubMed we have graded; a study counts for a form when it names the form it used. Updated as new studies arrive. How we grade →
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