Coffee: benefits by goal, the dosage that worked, and the supplements ranked
What the 8 human studies of coffee we graded show for each goal, the dose that worked, and the products that hold it. This page is educational, not medical advice.
Human studies graded
8
Goals with an improvement
1
Products
1
Ranked
1
Biohacker opinions
0/10
Coffee benefits, by goal: what the studies show
MembersThe top 1 of 1 goals
| Goal | What the studies show | Studies | Dose that worked |
|---|---|---|---|
| Focus and Memory | 8 |
Coffee supplements, ranked by the human studies
MembersThe top 1 of 1
Coffee 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 100 to 200 mg a day.
Biohacker panel
MembersWhat our 10 biohackers say about coffee
Recommend or use it
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Our articles on coffee
- Dave Asprey's Biohacking Stack, Reviewed: Bulletproof Coffee, the Supplements, What It Costs, and What the Evidence SupportsArticle · Jun 16, 2026
- The Best Time to Take Supplements and VitaminsArticle · Jun 15, 2026
- What Supplements and Vitamins Should Not Be Taken TogetherArticle · Sep 7, 2026
Questions people ask
MembersAnswered from the figures on this page
What is coffee good for?
Answer for members.
How much coffee per day?
Answer for members.
Can I take coffee with my meds?
Answer for members.
Members see the answers, checked against their own meds and goals. Start My 7-Day Free Trial →
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 →