Direct Line (Free): GLP-1 Muscle Loss and Creatine, Bulking vs Cutting, One-Hour Training, & Detraining

Direct Line (Free): GLP-1 Muscle Loss and Creatine, Bulking vs Cutting, One-Hour Training, & Detraining

July 3, 2026 · 50 min · Episode 404

About this episode

This episode discusses GLP-1 drugs, muscle loss, training strategies, and the effects of detraining.

Once a month we answer Barbell Medicine Plus subscribers’ questions on the Direct Line. This is a free look at June’s episode. We start with GLP-1 drugs and muscle: why DEXA overstates the loss, what resistance training actually does, and whether creatine is worth taking. Then whether bulking and cutting does anything the scale can’t already tell you, how to get real benefit from one training hour a week, and what happens to your muscle, strength, tendons, and bone when you take time off, including why muscle memory brings it back faster than you built it. What we cover: • GLP-1s and muscle: the DEXA problem, resistance training, and creatine • Bulking vs cutting vs just maintaining, and a health-first way to choose • Training on one hour a week: the least that still moves the needle • How fast you lose muscle when you stop, and why it comes back fast The full two-hour episode and every back episode are on Barbell Medicine Plus, which can bundled with Premium. Resources and full references below. Timestamps 0:00 Intro + GLP-1 and the DEXA muscle-loss myth 3:00 Do GLP-1s spare or waste muscle? 8:03 Does creatine help on a GLP-1? 10:45 Does bulking and cutting do anything? 13:18…

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