Question
Is Biotin legit?
In context of Biotin·Weak evidence55/100
In our editorial model, Biotin maps to a Weak evidence verdict at 55/100 overall (evidence 48/100, safety 82/100, hype gap 68/100). Water-soluble B vitamin; megadoses are popular for hair and nails despite thin evidence for people who are not deficient.
Full ingredient file
This page is a short answer. Mechanisms, dosing notes, sources, and the rest of the verdict live on the hub for Biotin.
Open Biotin verdictOther questions on Biotin
A few more focused pages for the same ingredient (we keep lists short on purpose).