PubMed searches return zero combined trials as of early 2026
Additionally, many prescribers arent well trained in nutrition, or dont work with people who are, says Gretchen Zimmermann, RD, a dietitian and obesity expert
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FDAs career scientists have made clear they dont think theres enough data to support making peptides more widely available, specifically from compounding pharmacies, which mix customized medicines that arent available from traditional drugmakers