Collagen: what it does, by goal, and the dose that worked
What the 54 human studies of collagen 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
7 of these 54 human studies gave collagen by injection, not by mouth.
| Goal | What the studies show | Studies | Dose that worked |
|---|---|---|---|
| Improved in studies 19 studies, 15 showed an improvement, 3 found none, 6 pooled analyses | 19 | 1,650 mg | |
| Improved in studies 24 studies, 14 showed an improvement, 1 found none, 5 pooled analyses, 6 by drip, injection or inhaler | 24 | 1 g | |
| Improved in studies 20 studies, 12 showed an improvement, 1 found none, 6 pooled analyses | 20 | 100 mcg | |
| Improved in studies 3 studies, 2 showed an improvement | 3 | 300 mg | |
| Improved in studies 1 study, it showed an improvement, 1 by drip, injection or inhaler | 1 | – | |
| Too few studies 1 study, no clear result, 1 by drip, injection or inhaler | 1 | – |
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 6
Dose and safetyThe dose that worked and the upper limit
The studies taken by mouth that showed an improvement gave 100 mcg to 10 g a day.
Biohacker panelMembersWhat our 10 biohackers say about collagen
Members see what each biohacker said. Start My 7-Day Free Trial →
Questions people askMembersAnswered from the figures on this page
What is collagen good for?
Answer for members.
How much collagen a day?
Answer for members.
Can I take collagen 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 →