Movement that preserves lean mass
Training and recovery protocols built for the appetite-suppressed, energy-restricted reality of GLP-1 therapy.
Last reviewed
Topics in this cluster
- Resistance training
- Cardio dose
- Recovery
- Walking protocol
- Fasted training
Why resistance training is non-negotiable
Roughly 25–40% of weight lost on a GLP-1 can come from lean mass when no resistance training is performed — a finding documented in body composition analyses of the STEP trials — a number that drops dramatically with even modest, consistent training. Lean mass loss reduces resting metabolic rate, which is the mechanism behind much of the post-medication regain seen in STEP-4 withdrawal data. The CDC adult activity guidelines — twice-weekly resistance work plus 150 minutes of moderate movement — are a reasonable floor during active weight loss.
Frequently asked questions
How much should I exercise on a GLP-1?+
A conservative baseline: two to four 30–45 minute resistance training sessions per week, plus 7,000–10,000 daily steps. Aggressive cardio is usually counterproductive because it suppresses appetite further and increases fatigue.
Can I lift weights while losing weight rapidly?+
Yes — and you should. Resistance training during rapid weight loss is one of the strongest predictors of preserving lean mass and resting metabolic rate, both of which protect against post-medication weight regain.
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