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

What the 320 human studies of riboflavin 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
320
Goals with an improvement
14
Products
21
Ranked
17
Biohacker opinions
7/10
What it does, by goalMembersThe top 5 of 20 goals

1 of these 276 human studies gave riboflavin by drip, not by mouth.

GoalWhat the studies showStudiesDose that worked
Improved in studies 21 studies, 10 showed an improvement, 3 found none, 1 pooled analysis211 mg
Improved in studies 27 studies, 9 showed an improvement, 6 found none, 1 pooled analysis271.6 mg
Improved in studies 23 studies, 7 showed an improvement, 2 found none, 1 pooled analysis231 mg
Improved in studies 15 studies, 4 showed an improvement, 4 found none, 1 pooled analysis15–
Improved in studies 25 studies, 3 showed an improvement, 6 found none, 1 pooled analysis25–
Improved in studies 8 studies, 3 showed an improvement, 2 found none8–
Improved in studies 5 studies, 3 showed an improvement5–
Improved in studies 29 studies, 2 showed an improvement, 7 found none, 2 pooled analyses29–
Improved in studies 29 studies, 2 showed an improvement, 11 found none29–
Improved in studies 7 studies, 2 showed an improvement, 1 found none720 mg
Improved in studies 3 studies, 2 showed an improvement, 1 found none3–
Improved in studies 16 studies, 1 showed an improvement, 4 found none, 1 pooled analysis16–
Improved in studies 5 studies, 1 showed an improvement, 2 found none, 1 by drip, injection or inhaler5–
Improved in studies 2 studies, 1 showed an improvement2–
Too few studies 12 studies, 2 showed an improvement, 1 found none, 4 pooled analyses127.2 mg
Too few studies 3 studies, 1 found none3–
Too few studies 2 studies, no clear result yet2–
No effect in studies 70 studies, 22 showed an improvement, 9 found none, 10 pooled analyses706 mg
No effect in studies 14 studies, 2 showed an improvement, 4 found none14–
No effect in studies 12 studies, 3 found none12–

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Products – highest ranked firstMembersThe top 3 of 21
Dose and safetyThe dose that worked and the upper limit

The studies taken by mouth that showed an improvement gave 1 to 20 mg a day.

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

What is riboflavin good for?

Answer for members.

How much riboflavin a day?

Answer for members.

Can I take riboflavin 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 →