Thrive Blog

How Protein Protects Your Muscles During Weight Loss

Written by Thrive Wellness | March 5, 2025

When it comes to weight loss, most people’s main focus is the number on the scale. But let’s face it: losing weight shouldn’t mean losing muscle. If you want to achieve your weight loss goals without sacrificing your hard-earned muscle, protein is the answer!

The Role of Protein in Weight Loss

GLP-1 medications are gaining traction for their ability to help regulate blood sugar and support weight loss. They work by mimicking a natural hormone that boosts insulin production and slows down digestion. 

While these benefits are impressive, the downside is that when you cut calories, your body might start using muscle for energy. This isn’t just counterproductive; it can negatively affect your strength and metabolism long-term.

Why Protein is Essential

  • Muscle Preservation: When you’re on a weight loss journey, registered dietitians advise that you should aim to eat about 1.2 to 1.6 grams of protein per kilogram of body weight daily. (Example: If you weigh 300 pounds, you should target around 160 to 220 grams of protein daily.) This intake helps protect your muscles from breaking down during weight loss.
  • Increased Satiety: Protein keeps you feeling full longer, which helps reduce cravings and the risk of overeating—especially important because your GLP-1 medication suppresses your appetite.
  • Helps Control Blood Sugar: Protein-rich foods have a lower impact on blood sugar compared to carbs, helping to keep your glucose levels stable. This works hand-in-hand with GLP-1 medications for better overall results.

Practical Tips for Increasing Protein Intake

When you start prioritizing protein in your diet, figuring out the perfect method for hitting your daily target can be challenging. Try these dietitian-recommended tips for following a high-protein diet that reaches your daily goals: 
  • Choose Lean Protein Sources: Prioritize incorporating lean meats, fish, eggs, dairy, beans, tofu, and lentils into your meals.
  • Balance Your Plate: Combine protein with healthy fats and fiber-rich carbs for well-rounded nutrition.
  • Smart Snacking: Keep protein-rich snacks like Greek yogurt, hard-boiled eggs, or protein shakes handy to help manage hunger.
  • Ask an Expert: A registered dietitian can provide personalized recommendations to ensure you’re getting the right balance of nutrients for your weight loss goals.

Why Strength Training Matters

In addition to following a high-protein diet, starting a regular strength training routine for muscle preservation is just as important! Lifting weights or doing resistance exercises helps you maintain muscle mass and can also enhance your overall strength and metabolism. Fitness professionals suggest aiming for at least two to three strength training sessions each week. 

If you aren’t regularly lifting weights, don’t hesitate to talk with a personal trainer for tailored advice for your form and your overall workout routine!

Final Thoughts

If you want to lose weight effectively without losing muscle, protein is your best friend. By focusing on a high-protein diet and incorporating strength training into your daily routine, you can achieve sustainable weight loss while keeping your muscles intact. 

Remember, your GLP-1 medication isn’t just about losing weight. It’s about maintaining your strength and health throughout your journey. So, start recognizing protein as a key part of your weight loss strategy, and watch the results come and stay long-term!

 

This article is for informational purposes only and does not constitute medical advice. The information contained herein is not a substitute for and should never be relied upon for professional medical advice. Always talk to your doctor about the risks and benefits of any treatment.