Research Hub

The science on GLP-1s, muscle, and how to protect what you keep.

In plain English. Cited. Updated when the science updates.

14 articles · 26 peer-reviewed sources · last updated 2026-06-04

Every claim cited. Every citation clickable. Free to share with your healthcare provider or anyone considering a GLP-1.

Branch 1

What GLP-1s do to your body

GLP-1 receptor agonists suppress appetite and slow gastric emptying. The result is significant weight loss — and, without intervention, significant lean mass loss alongside the fat. Here's what the studies show, drug by drug.

Branch 2

How to protect your muscle on a GLP-1

The good news: lean mass loss on a GLP-1 is largely preventable. Three levers — protein, resistance training, and avoiding extreme calorie deficits — drop muscle-loss share from 25–40% to under 10%. Here are the protocols, the evidence behind them, and what Muscle Guard tracks for you.

Branch 3

The research, updated

A chronological log of every study, paper, and clinical analysis we've factored into the library. Updated monthly. If a new paper changes what we publish, we say so here first.

Sources
26 peer-reviewed sources cited across the Research Hub. Last updated 2026-06-04. We don't sell your data, we don't track you with third parties, and we'll change anything we get wrong. Email research@muscleguardglp.com.

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