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the claim

Biotin supplementation reduces acne.

the verdict
INSUFFICIENT LEANING
Recorded sources
0 sources for · 2 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that biotin supplementation reduces acne?

Unclear. Two dermatology sources indicate biotin supplementation is recommended only for documented biotin deficiency and that evidence for biotin replacement in hair/skin conditions is lacking; neither directly tests biotin for acne. No retrieved item provides a controlled trial or review of biotin supplementation as an acne treatment.

Verdict: PARTIAL LEAN · 0 sources for, 2 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence against · 2
A Retrospective Evaluation of the Laboratory Findings of Dermatology Patients Whose Biotin Levels Were Checked -
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A Retrospective Evaluation of the Laboratory Findings of Dermatology Patients Whose Biotin Levels Were Checked - PMC Lock. (n.d.). pmc.ncbi.nlm.nih.gov. https://doi.org/10.7759/cureus.41482

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More against · 1
Review of Dermatology E-Book
2023
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Alikhan, A. & Hocker, T. L. (2023). Review of Dermatology E-Book. play.google.com. https://play.google.com/store/books/details?id=EWy1EAAAQBAJ&source=gbs_api

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