Quercetin: what it does, by goal, and the dose that worked
What the 92 human studies of quercetin we graded show for each goal, the dose that worked, and the products that hold it. This page is educational, not medical advice.
What it does, by goalMembersThe top 5 of 9 goals
1 of these 92 human studies gave quercetin by injection, not by mouth.
| Goal | What the studies show | Studies | Dose that worked |
|---|---|---|---|
| Improved in studies 24 studies, 6 showed an improvement, 6 found none, 4 pooled analyses | 24 | 160 mg | |
| Improved in studies 16 studies, 6 showed an improvement, 6 found none, 3 pooled analyses | 16 | 1 g | |
| Improved in studies 9 studies, 5 showed an improvement, 1 found none, 3 pooled analyses | 9 | 45 mg | |
| Improved in studies 19 studies, 4 showed an improvement, 6 found none, 3 pooled analyses, 1 by drip, injection or inhaler | 19 | 1 g | |
| Improved in studies 18 studies, 3 showed an improvement, 2 found none, 1 pooled analysis | 18 | 160 mg | |
| Improved in studies 11 studies, 2 showed an improvement, 3 found none | 11 | 500 mg | |
| Improved in studies 3 studies, 1 showed an improvement | 3 | 200 mg | |
| Too few studies 9 studies, no clear result yet | 9 | – | |
| Too few studies 1 study, it found no effect | 1 | – |
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Products – highest ranked firstMembersThe top 3 of 4
Dose and safetyThe dose that worked and the upper limit
The studies taken by mouth that showed an improvement gave 45 mg to 9 g a day.
Biohacker panelMembersWhat our 10 biohackers say about quercetin
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Questions people askMembersAnswered from the figures on this page
What is quercetin good for?
Answer for members.
How much quercetin a day?
Answer for members.
Can I take quercetin 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 →