Watch This Before You Take a Weight Loss Peptide | Dr Mikhail Kolonin
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Dr. Mikhail Kolonin reveals that GLP-1 drugs cause greater muscle loss than caloric restriction alone, driven by IL-6 signaling in skeletal muscle and discusses what can be done about it, including diet, exercise and potential pharmacological solutions..
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Muscle loss is one of the most serious concerns with GLP-1 drugs and Dr. Mikhail Kolonin's research suggests it's more significant than the pharmaceutical industry acknowledges. In this episode he explains why lean mass loss on GLP-1s appears consistently higher than with caloric restriction alone, what his lab's genomic analysis of skeletal muscle reveals about the mechanism, and why IL-6, the same molecule that does beneficial things in fat tissue, becomes a damaging catabolic signal in muscle. He covers the clinical implications for elderly patients, the cycling problem where fat returns but muscle doesn't, and why people taking GLP-1s off-label without excess weight should be especially cautious. Crucially he also discusses what can actually be done: high protein intake, resistance exercise, and emerging pharmacological approaches including myostatin inhibition and IL-6 receptor blockade that may help preserve muscle mass during treatment.
📚 Chapters
0:00 Is muscle loss on GLP-1s a real concern?
1:51 Sarcopenic obesity; why elderly patients face the highest risk
3:50 Beyond caloric restriction; evidence of direct muscle wasting
6:00 IL-6: the same molecule, opposite effects in muscle vs fat
8:52 Can diet and exercise protect your muscle?
11:24 Pharmacological approaches; myostatin and IL-6 receptor blockade
🌐Links in this video
Dr Kolonin's page https://gsbs.uth.edu/directory/profile?id=b816c8de-c9b0-40f0-873c-42fa69db82e9
#glp1 #Longevity #Telomerase
Modern Healthspan · 13 min · Source published: 2026-04-06
Added to Harbor: 10/23/2026
Original on YouTube ↗Automatically categorized source. Creator statements are not an independent evidence review or personal medical guidance.