If you’re struggling to get enough protein on a GLP-1, you’re not alone. These medications can be game-changers for managing appetite, but the side effect of eating less means you have to be extra intentional about hitting your protein goals. And trust me—your muscles, metabolism, and long-term health will thank you for putting in the effort.

Protein is always important—it supports muscle repair, hormone production, immunity, and satiety. But if you’re on a GLP-1, it’s especially crucial. Since these meds reduce how much you eat, it’s easier to skimp on protein and fill up on carbs or fats instead. That might keep you full, but it won’t give your muscles the raw materials they need to grow and stay strong.

As a dietitian, I usually recommend aiming for about 0.7 grams of protein per pound of body weight per day as a starting point (that’s around 105 grams daily if you weigh 150 pounds). Pair that with resistance exercise, and you’ll preserve muscle (and even build some) while losing fat.

Why Protein Matters

One of the biggest risks with rapid weight loss is losing muscle along with fat. That’s not the goal—you want to come out stronger, not weaker.

Protein helps minimize muscle loss, keeps your metabolism humming, and helps you feel satisfied between meals. When you’re struggling to get enough protein on a GLP-1, you may notice slower progress in the gym or more fatigue during workouts. The good news? A few simple tweaks can make all the difference.

Tips for Getting Enough Protein on a GLP-1

1. Try smaller meals or snacks more frequently. Big meals might feel overwhelming, so break your protein into 4–5 smaller hits throughout the day.
2. Make high-protein swaps. Choose Fairlife milk instead of regular, or protein pasta instead of standard. Little changes add up fast.
3. Add protein “top offs.” Toss some nonfat Greek yogurt on your tacos, sprinkle hemp seeds on a salad, or add egg whites to your morning scramble.
4. Go lean. Leaner protein sources like chicken breast, turkey, white fish, and egg whites are often easier to eat and lower in calories. Plus, fatty foods can sometimes feel too heavy on a GLP-1.
5. Consider a shake (or check with your doc). If you’re still struggling to get enough protein on a GLP-1, a protein shake is a quick fix. And if appetite is so low that even shakes feel impossible, talk to your doctor about adjusting your dose.

Bottom line: if you’re struggling to get enough protein on a GLP-1, you don’t have to overhaul your whole diet. Focus on smaller, high-protein meals, smart swaps, and consistent resistance training. Your future, stronger self will thank you.

👉 Need help building a high-protein plan that actually works with your lifestyle? Let’s chat! Book a free nutrition consult here.

Kim Yawitz is a registered dietitian and the owner of Two Six Fitness in St. Louis.

Updated September 2025