GAME CHANGING PERFORMANCE BLOG

Coach Trev demonstrating strength training for GLP-1 clients at Game Changing Performance in Mundelein IL.

Why Strength Training Is Essential While on GLP-1: How to Keep Muscle While Losing Weight

December 10, 20253 min read

Disclaimer: This post is for educational purposes only and is not medical advice. We do not sell or prescribe GLP-1 medications. Our goal is to help individuals who are already on a GLP-1 learn how to eat right, train effectively, and protect muscle while losing fat. Always consult your doctor before starting or adjusting any medication.


Weight Loss Is Easy. Keeping Muscle Isn’t.

One of the most overlooked parts of being on a GLP-1 medication is the risk of muscle loss.

While these medications are great for fat loss and appetite control, your body doesn’t actually know the difference between losing fat and losing muscle.

That means if you’re not lifting weights or getting enough protein, part of what’s disappearing on the scale could be your lean muscle — and that’s not good for long-term health, metabolism, or confidence.


Why Strength Training Matters

Muscle is what keeps your metabolism strong, your body firm, and your energy high.
When people lose muscle during weight loss, they often notice:

  • Feeling weaker during daily tasks

  • Slower metabolism (making it easier to regain fat later)

  • Looser, softer body composition even at a lower weight

Lifting weights signals to your body:

“Hey, we still need this muscle — don’t burn it.”

That’s why at Game Changing Performance in Mundelein, we emphasize resistance training as a non-negotiable part of every GLP-1 Coaching Program.


How to Lift Smart While on GLP-1

If you’re using a GLP-1, you don’t need marathon workouts or crushing intensity. You need consistency and structure.

Here’s how we coach it:

  • 3–4 strength sessions per week (even 30–45 minutes is enough)

  • Compound movements like squats, presses, and rows

  • Focus on form and progressive overload, not exhaustion

  • Balance lifting with recovery and nutrition

When energy dips, that’s when structure matters most. Lifting regularly — even when it’s short and simple — keeps your metabolism active and your body composition improving.


Nutrition + Training: The Perfect Pair

Weight training without nutrition isn’t enough. You also need to eat enough protein to give your body the raw materials it needs to build and maintain muscle.

Our GLP-1 Nutrition Coaching focuses on:

  • Getting 0.6–1g of protein per pound of bodyweight daily

  • Building simple, easy-to-follow meals that support recovery

  • Keeping energy steady with smart food timing

The combination of structured strength training and dialed-in nutrition is what helps our clients keep muscle, boost confidence, and feel strong throughout their GLP-1 journey.


Helping GLP-1 Clients in Mundelein, Libertyville & Vernon Hills Stay Strong

At Game Changing Performance, we’ve worked with hundreds of clients across Mundelein, Libertyville, and Vernon Hills, IL who want to look and feel their best while using GLP-1s.

Our GLP-1 Coaching Program gives you:

  • A customized strength training plan that fits your schedule

  • Accountability and check-ins to keep you consistent

  • Nutrition coaching to protect muscle and energy

  • Support to navigate side effects like nausea and fatigue

You don’t have to do this alone — we’ve lived it, coached it, and know what works.


Final Thoughts

GLP-1s can help you lose weight.
But lifting weights helps you transform your body.

If you’re already on a GLP-1 and want to keep your muscle, maintain your metabolism, and look as strong as you feel — we can help.

👉 Learn more about our GLP-1 Coaching Program:
https://gamechangingperformance.fit/glp-1-coaching

Trev is the co-owner of Game Changing Performance. His passions for writing are how to achieve fat loss, productivity and how to optimize your life.

Trevor Warnke

Trev is the co-owner of Game Changing Performance. His passions for writing are how to achieve fat loss, productivity and how to optimize your life.

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Weight Loss Facility | Vernon Hills
  • 300 Washington Blvd

    Mundelein, Illinois 60060

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