The Truth About GLP-1s
About this episode
Dr. Brendan McCarthy discusses the realities of GLP-1 medications and their role in weight management.
GLP-1 medications like semaglutide and tirzepatide are everywhere right now—but are they actually solving the problem? In Episode 8 of this 16-part series on ultra-processed foods, Dr. Brendan McCarthy breaks down the truth about GLP-1 medications: how they work, why they can feel like a “miracle,” and where things go wrong when they’re used without proper medical guidance. This isn’t about shame. It’s about understanding. GLP-1s can quiet “food noise” and help regulate appetite—but they don’t fix your relationship with food, your metabolism, or the long-term patterns that lead to weight gain. Without structure, nutrition, and proper care, many patients end up with muscle loss, nutrient deficiencies, and rebound weight gain. In this episode, you’ll learn: What GLP-1 medications actually do in your body Why they’re not a long-term solution on their own The biggest mistakes doctors and clinics make when prescribing them How ultra-processed foods drive weight gain in the first place How to use GLP-1s the right way to create lasting change The goal isn’t dependence—it’s freedom. If you’re currently on a GLP-1 (or considering it), this episode will change how you think about your…
More episodes of Dr. Brendan McCarthy
- Trauma Is Driving Your Diet (Not Willpower) | Ultra-Processed Foods Explained
- Ultra-Processed Foods & Autoimmunity
- This Was Never a Fair Fight: How Ultra-Processed Food Trains a Child’s Brain
- This Isn’t a Willpower Problem: The Truth About Stress, Cravings & Weight Gain
- The Real Reason You Crave Junk Food Under Stress
- The Missing Piece in Weight Loss
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