Carnitine: what it does, by goal, and the dose that worked
What the 60 human studies of carnitine 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 2 of 2 goals
5 of these 60 human studies gave carnitine by drip or injection, not by mouth.
| Goal | What the studies show | Studies | Dose that worked |
|---|---|---|---|
| Improved in studies 30 studies, 15 showed an improvement, 9 found none, 10 pooled analyses, 2 by drip, injection or inhaler | 30 | 1 g | |
| Improved in studies 31 studies, 11 showed an improvement, 1 found none, 4 pooled analyses, 3 by drip, injection or inhaler | 31 | 2 g |
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Products – highest ranked firstMembersThe top 2 of 2
Dose and safetyThe dose that worked and the upper limit
The studies taken by mouth that showed an improvement gave 1 to 4 g a day.
Biohacker panelMembersWhat our 10 biohackers say about carnitine
Members see what each biohacker said. Start My 7-Day Free Trial →
Questions people askMembersAnswered from the figures on this page
What is carnitine good for?
Answer for members.
How much carnitine a day?
Answer for members.
Can I take carnitine 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 →