Tryptophan: what it does, by goal, and the dose that worked

What the 13 human studies of tryptophan 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
13
Goals with an improvement
0
Products
3
Ranked
3
Biohacker opinions
8/10
What it does, by goalMembersThe top 2 of 2 goals
GoalWhat the studies showStudiesDose that worked
Too few studies 3 studies, 1 showed an improvement, 1 found none3–
No effect in studies 11 studies, 3 showed an improvement, 3 found none11–

Members see which goal each result is for, and the products for it. Start My 7-Day Free Trial →

Products – highest ranked firstMembersThe top 3 of 3
Dose and safetyThe dose that worked and the upper limit

No study we graded gave a dose that worked yet.

Biohacker panelMembersWhat our 10 biohackers say about tryptophan
Questions people askMembersAnswered from the figures on this page

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 →