Theanine: what it does, by goal, and the dose that worked
What the 56 human studies of theanine 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 3 of 3 goals
| Goal | What the studies show | Studies | Dose that worked |
|---|---|---|---|
| Improved in studies 22 studies, 9 showed an improvement, 4 found none, 3 pooled analyses | 22 | 15 mg | |
| Improved in studies 26 studies, 4 showed an improvement, 4 found none, 6 pooled analyses | 26 | 200 mg | |
| No effect in studies 37 studies, 18 showed an improvement, 6 found none, 7 pooled analyses | 37 | 15 mg |
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Products – highest ranked firstMembersThe top 3 of 5
Dose and safetyThe dose that worked and the upper limit
The studies taken by mouth that showed an improvement gave 15 to 400 mg a day.
Biohacker panelMembersWhat our 10 biohackers say about theanine
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Questions people askMembersAnswered from the figures on this page
What is theanine good for?
Answer for members.
How much theanine a day?
Answer for members.
Can I take theanine 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 →