Do GLP-1s Like Mounjaro Cause Muscle Loss? Understanding Body Composition

Medically Reviewed By
Dr. Rabih Wassel, MBBS, BSc, MSc, MRCS, MRCGP
Chief Medical Officer

Concerned about muscle loss on Mounjaro or other GLP-1 medications? Learn the science behind body composition changes, how to preserve muscle mass, and the importance of protein and resistance training.
Introduction
Understanding this topic is crucial for your weight loss journey. This comprehensive guide provides evidence-based information to help you make informed decisions about your treatment.
Key Points
- Important consideration for your treatment plan
- Evidence-based recommendations from our medical team
- Practical guidance for your daily routine
- Safety information and when to seek medical advice
Detailed Information
Our medical team at The London Weight Loss Clinic has compiled this comprehensive information to support your treatment journey. We combine clinical expertise with patient-centred care to provide you with the guidance you need.
Important Information
Always consult with your healthcare provider before making any changes to your treatment plan. This information is educational and should not replace professional medical advice.
Our Recommendations
Based on clinical evidence and our experience treating thousands of patients, we recommend the following approaches:
For Best Results
Follow your prescribed treatment plan consistently and maintain open communication with your care team.
Safety First
Monitor for any side effects and report concerns to your healthcare provider promptly.
Lifestyle Support
Combine medication with healthy nutrition, regular exercise, and adequate sleep for optimal outcomes.
Common Questions
What should I do if I have concerns?
Contact your healthcare provider at The London Weight Loss Clinic immediately if you have any concerns about your treatment. Our team is here to support you throughout your journey.
How often should I check in with my care team?
We recommend regular check-ins as scheduled by your provider, typically every 4-6 weeks during active treatment. Your care team will adjust this based on your individual needs.
Ready to Start Your Weight Loss Journey?
Our expert medical team at The London Weight Loss Clinic is here to support you every step of the way.

Dr. Rabih Wassel
Chief Medical Officer • MBBS, BSc, MSc, MRCS, MRCGP
Dr. Rabih Wassel is a board-certified physician specializing in obesity medicine with over 15 years of experience in weight management and metabolic health.
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