Biotin (B7): dosage and how to take it and Biotin (B7)
Each entry’s own grades, side by side. A grade says how strong the evidence is for one outcome — it does not rank one entry over the other.
Dosage
Biotin (B7): dosage and how to take it
Per clinician; stop before blood tests.
Grade C0 graded outcomesrevised Jul 10, 2026
Assembled by the app from other entries in this library. It adds no evidence of its own — follow the links to the entries it draws on.
Compound or practice
Biotin (B7)
The hair-and-nails vitamin that only helps if you're deficient — and wrecks common lab tests at high doses.
Grade C2 graded outcomesrevised Jul 10, 2026
A structured monograph in Prometheus's bundled library. Its grades are the monograph's own reading of the evidence, not a peer-reviewed review.
Graded in both
Outcomes are matched by name. Two entries can describe the same outcome in different words, so one listed further down may still be graded in the other.
No outcome has the same name in both entries. They may still overlap under different wording — read the two lists below.
Graded only in Biotin (B7): dosage and how to take it
None — every outcome it grades is graded in both.
Graded only in Biotin (B7)
- Hair/nails (non-deficient) Trivial effectEvidence grade D
- Deficiency-related hair loss Moderate effectEvidence grade B
What each entry says about the other
- Biotin (B7): dosage and how to take it’s entry · Goes with: Full Biotin (B7) monograph
Both columns are read from the entries as they stand in this library. A comparison is not advice to take either one, and it is no substitute for a clinician who knows the person.