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The pattern is unmistakable: the evidence is deepest where it matters least for a clinical claim (cell dishes, gene assays, patents) and thinnest exactly where it would matter most (controlled human trials with counted hair as the endpoint)

These graphs suggested that there may be, at least some degree of, clustering by treatment group

Medically reviewed by Alan Lucks | MD , Alan Lucks MDPC Private Practice - New York on April 14th, 2026

Note on BPC-157 and unapproved synthetic peptides: Some compounding pharmacies have prepared nasal sprays containing BPC-157 (Body Protection Compound-157), a synthetic pentadecapeptide

Citation: Frias, J

Little differences in dose made different things happen