Stop Trying to Lose Weight. Build Muscle After 40 Instead | Dr. Josh Axe
Dr. Josh AxePublished on May 20, 2026
Summary authored by editor@wellifi.com
TLDR Summary
You can simultaneously build muscle and burn fat by focusing on resistance training, adequate protein intake, and monitoring key health metrics. This approach is supported by recent research showing that these strategies can lead to improved health and longevity.
Key Points
- It is possible to build muscle and burn fat simultaneously.
- Monitor fat mass, muscle mass, and strength rather than just body weight.
- Prioritize resistance training over cardio for muscle growth.
- Aim for 0.7 to 1 gram of protein per pound of body weight.
- Incorporate walking and monitor your steps daily.
The Ultimate Guide to Simultaneously Building Muscle and Burning Fat
For over three decades, the fitness community has adhered to a conventional wisdom: bulk up to gain muscle and cut down to lose fat. Today, this approach is still prevalent, with many individuals relying on anabolic steroids and calorie-dense diets for bulking, while others resort to GLP-1 medications like Ozempic for weight loss. However, what if we told you that you can achieve both goals at the same time? Recent research has revealed that it is indeed possible to build healthy muscle while burning fat and enhancing your overall well-being.
Understanding the Research
A recent meta-analysis published in the Obesity Reviews journal analyzed data from over 100 studies. The findings indicate that adults combining resistance training with a moderate calorie deficit and adequate protein intake can simultaneously lose fat and gain lean muscle mass, particularly beginners and those returning to fitness.
Shifting Your Focus
It's time to stop obsessing over the scale and start monitoring these three key metrics instead:
- Fat Mass: Track your body fat percentage rather than just body weight.
- Muscle Mass: Aim for muscle growth as an indicator of success.
- Strength: Monitor improvements in grip strength and overall strength, which are linked to longevity.
Improving these three metrics can boost your metabolism and reduce the risk of numerous health issues, including diabetes, heart disease, and more, ultimately enhancing your health span.
The Renovation Analogy
Think of your body like a building undergoing renovation. Traditional fitness wisdom suggests gutting the building entirely, but modern body composition strategies advocate for renovating one floor at a time. With the right approach, you can remodel while maintaining function.
Four Pillars to Success
To achieve simultaneous fat loss and muscle gain, consider these four foundational pillars:
1. Training
Muscle growth is driven by mechanical tension, which is best stimulated through resistance training. Cardio, while beneficial, does not trigger this response to the same degree. Therefore, prioritize resistance training, aiming for:
- 3-4 days of weight lifting per week
- Focus on compound movements involving larger muscle groups
- 8-15 reps per set, with 2-3 sets per exercise
- Implement progressive overload by gradually increasing weights
- Incorporate walking, aiming for 8,000-12,000 steps daily
2. Protein Intake
Protein is essential for muscle building and fat loss. Aim for 0.7 to 1 gram of protein per pound of body weight. Opt for high-quality protein sources like:
- Pasture-raised eggs
- Grass-fed beef
- Wild-caught fish
- Organic poultry
- Greek yogurt
Distribute protein intake throughout the day to optimize absorption.
3. Supplements
Incorporate specific herbs, vitamins, and minerals that support fat burning and muscle growth. While not all supplements will be covered here, consider those that aid in these areas.
4. Foundational Health Practices
These include ensuring adequate sleep, hydration, and stress management, which are crucial for promoting longevity and overall health.
Resistance Training and Longevity
Resistance training not only helps build muscle but also increases the number of mitochondria in your cells, which are crucial for cellular energy and overall health. Research shows that those engaging in regular resistance training have significantly more mitochondria than sedentary individuals, leading to improved energy, longevity, and disease resistance.
Conclusion
Incorporating these strategies into your routine will help you effectively build muscle while burning fat. By focusing on the right training regimen, adequate protein intake, strategic supplementation, and maintaining foundational health practices, you can achieve your fitness goals and enhance your health span.
Key Takeaways
- It is possible to build muscle and burn fat simultaneously.
- Monitor fat mass, muscle mass, and strength rather than just body weight.
- Prioritize resistance training over cardio for muscle growth.
- Aim for 0.7 to 1 gram of protein per pound of body weight.
- Incorporate walking and monitor your steps daily.