2878: Why You’re Losing Muscle While Trying to Lose Fat (And How to Fix It)
Jun 12, 2026
In this episode the guys break down the muscle paradox! Why people are losing muscle while trying to lose fat, why this crisis is being amplified by GLP-1 use, and the three things that cause it: inadequate protein, poor resistance training programming, and a cardio focus. They also get into the testosterone U-shape curve and how more isn’t always better for libido, Sal’s upcoming talk at the World Peptide Congress in Arizona, Adam’s sauna routine and how it kept him from getting the norovirus that took down his whole family, the shriek bird that impales its prey on thorns, and polar bear fun facts nobody asked for. Then they answer questions submitted through Instagram, covering how to add cardio after years of strength training, what’s actually happening in your body when you under-eat but still get stronger, physical standards for men and women in their late 30s and early 40s, and how to approach warm-up sets.
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SPONSORS
Paleo Valley (grass-fed meat sticks) — https://paleovalley.com/mindpump 15% off automatically applied at checkout — no code needed. Fermented, gut-friendly, 8g protein per stick.
Legion (supplements) — https://buylegion.com/mindpump Code: MPB2G1 — Buy 2 get 1 free. Third-party tested, efficacious doses only. Rice Krispie protein bars and pure creatine highlighted this episode.
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LINKS
Mind Pump Store: https://mindpumpstore.com
Maps Fitness Products: https://mapsfitnessproducts.com
Instagram: @mindpumpmedia
0:00 – Intro
2:59 – The muscle paradox — why you’re losing muscle while trying to lose fat
8:21 – How GLP-1 and Retatrutide are amplifying the muscle loss crisis
17:27 – The 3 causes: inadequate protein, poor RT programming & cardio focus
23:01 – Testosterone U-shape curve — why more isn’t always better for libido
27:16 – Sal’s World Peptide Congress talk at the Biltmore in Arizona (June 20th)
39:26 – Adam’s sauna routine — how he dodged the norovirus that wrecked his whole family
52:15 – The shriek bird, the barrel-eye fish & polar bears that hunt humans
59:53 – Q&A: How to add cardio after 2–3 years of just strength training
1:04:22 – Q&A: What’s happening in your body when you under-eat but still get stronger?
1:06:12 – Q&A: Physical standards for men and women in their late 30s and early 40s
1:10:57 – Q&A: Should you do warm-up sets for every exercise?
