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[9] Using retatrutide outside of an approved, ethics-committee-reviewed clinical trial carries significant risks, as research-grade peptides are not subject to the same manufacturing standards, purity controls, or safety oversight as licensed medicines

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Insulin-like growth factor-1 and site-specific cancers: A Mendelian randomization study

"At this point, we do have experience that's accumulated across close to a decade thousands of physicians, close to millions of patients that seems to indicate these peptides can be beneficial to promote health," he adds