How to Lose Fat on a GLP-1 Without Losing Muscle

3 Oct 2026 · 1 min
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JJ Virgin explains how GLP-1 medications can cause up to 40% muscle loss alongside fat loss. She outlines seven strategies to preserve muscle while losing fat, starting with tracking body composition to distinguish between the two.

  1. If you're on a GLP-1 and losing weight fast, it can be exciting at first. Let's get real. Till you realize up to 40% of what you're losing could be fat-free mass, not fat. In this video, I'm sharing 7 easy things you can do to help make sure the weight coming off is from fat, not from skeletal muscle. So you can stay strong, healthy, and fit, and keep that metabolism cranking regardless of how long you're on that GLP-1. First up, you gotta monitor.

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