naltrexone and semaglutide interaction vs. Contrave: The Complete Clinical Comparison (2026) GLP-1 + Naltrexone Combination: Biomarker

[DOI] [PMC free article] [PubMed] [Google Scholar] Broad RC, Bonneau JP, Hellens RP, Johnson AAT

We need well-designed, long-term studies in people taking GLP-1 drugs that: directly measure skeletal muscle (not just lean mass), assess muscle function and mobility, track outcomes over months to years, not weeks, and test mitigation strategies, not just observe loss

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