How I Work Out on Mounjaro — And Why 20 Minutes Is Enough Let me be honest with you. There are days on Mounjaro where the energy just isn't there. Motivation can be hard to find. And the last thing you want to do is drag yourself to a workout. Here's what I've learned — you don't need a two hour gym session to preserve muscle on a GLP-1. You just need to show up consistently. Even 20 minutes counts. My Current Routine I lift 4 days a week for 20 minutes a session on my Tonal. That's it. No marathon gym sessions. No complicated programming. Just consistent, focused effort four times a week. I rotate between two training phases: - High rep phase — 3 sets of 20 to 25 reps with lighter weight. I run this for about 4 weeks to build endurance and keep my muscles active. - Strength phase — 2 to 3 sets of 6 reps with heavier weight. This is where I push for raw strength gains. Alternating between these two phases keeps my body from adapting and plateauing. It also keeps things interesting — which matters more than people admit. For cardio I aim for a 20 to 30 minute walk every day. Do I always hit it? No. And I don't beat myself up when I don't. Progress over perfection every single time. Why Resistance Training Matters So Much on GLP-1s When you're in a calorie deficit on a GLP-1 your body is looking for energy wherever it can find it. If you're not giving your muscles a reason to stay — through resistance training — your body will break them down for fuel. Lifting sends a clear signal to your body: these muscles are being used. Keep them. Walking supports that by keeping your metabolism active and your cardiovascular health strong without adding recovery stress on top of your lifting days. If You've Never Lifted Before This is for everyone in the community who sees the word "resistance training" and immediately feels intimidated. I hear you. Here's where to start: - Begin with bodyweight only — squats, pushups, lunges. No equipment needed. - Do just 1 set of each exercise — 1 set is infinitely better than zero sets. - Focus on showing up consistently before you worry about intensity. - Add weight or resistance gradually only when the movement feels comfortable.