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Barbell Medicine

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

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3 Jul 2026 · 49 min

SupplementsMuscle growthWeight management

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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, includ

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