Arginine: what it does, by goal, and the dose that worked
What the 87 human studies of arginine 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 6 goals
15 of these 87 human studies gave arginine by drip or injection, not by mouth.
| Goal | What the studies show | Studies | Dose that worked |
|---|---|---|---|
| Improved in studies 29 studies, 20 showed an improvement, 2 found none, 7 pooled analyses | 29 | 690 mg | |
| Improved in studies 32 studies, 8 showed an improvement, 9 found none, 3 pooled analyses, 12 by drip, injection or inhaler | 32 | 6 g | |
| Improved in studies 16 studies, 7 showed an improvement, 3 by drip, injection or inhaler | 16 | 2 g | |
| Improved in studies 7 studies, 4 showed an improvement, 1 found none | 7 | 200 mg | |
| Too few studies 2 studies, no clear result yet | 2 | – | |
| Too few studies 1 study, no clear result | 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 200 mg to 16 g a day.
Biohacker panelMembersWhat our 10 biohackers say about arginine
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Questions people askMembersAnswered from the figures on this page
What is arginine good for?
Answer for members.
How much arginine a day?
Answer for members.
Can I take arginine 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 →