What Should I Eat on Mounjaro?

When appetite is lower than usual, every meal needs to earn its place. These food groups tend to be well-tolerated and nutritionally valuable on a Mounjaro journey:

Lean protein — your priority nutrient

Protein helps preserve muscle while your body is in a calorie deficit, and it keeps you feeling fuller for longer. Good sources include chicken breast, turkey, eggs, fish, Greek yoghurt, cottage cheese, tofu, and legumes such as lentils and chickpeas. Most people already on Mounjaro find aiming for a consistent protein intake at each meal makes a noticeable difference to energy and satiety.

Vegetables and fibre-rich foods

Non-starchy vegetables — such as broccoli, spinach, courgette, peppers, and cucumber — are filling, low in calories, and easy to include even when appetite is modest. Including adequate fibre (from vegetables, oats, and wholegrains) also helps with the digestive changes, including constipation, that some people experience on GLP-1 medicines.

Wholegrains over refined carbohydrates

When you do eat carbohydrates, choosing wholegrains — brown rice, wholegrain bread, oats, quinoa — over white, refined versions provides more fibre and a gentler effect on blood sugar. Portions naturally tend to be smaller when appetite is reduced, so quality matters more than quantity.

Healthy fats in moderate amounts

Avocado, olive oil, nuts, and oily fish provide important nutrients and help with the absorption of fat-soluble vitamins. Because fat slows digestion further, keep portions moderate if you find nausea is an issue — especially after a dose increase.

What to be cautious with

Very fatty, greasy, or heavily processed foods are commonly reported to worsen nausea and digestive discomfort on Mounjaro. Carbonated drinks, alcohol, and very sugary foods may also feel uncomfortable for many people. For a more detailed look at foods that can cause problems, see our guide on foods to avoid on Mounjaro.

If you are wondering about portion sizes and calorie amounts, our page on how much to eat on Mounjaro covers this in practical detail. And if you are taking Wegovy (semaglutide) rather than Mounjaro, much of the same guidance applies — see our page on what to eat on Wegovy for more.

Logging food when your appetite is low can feel like an extra task — but knowing what you are actually eating in terms of protein and calories makes a real difference to how well you progress. GLP Trackr's AI food photo scan lets you point your camera at a meal and get an instant breakdown of calories, protein, and macros without manually searching for every ingredient.

Alongside photo scanning, the barcode scanner and food search make logging quick even on the days when cooking feels like too much. You can set a daily protein target in the app and see at a glance whether you are hitting it — which many people on Mounjaro find particularly useful when reduced appetite means eating less overall.

The app also includes a library of GLP-1-friendly meal plans and recipes built around protein-first, gentle-on-the-stomach options, so you do not have to work out what to cook from scratch. For a broader view of how your food choices are connecting to your progress, the calorie deficit guide covers the fundamentals in one place.

Eating well on Mounjaro supports your journey, but it does not replace the guidance of your prescriber or doctor — they know your individual health history and are the right person to advise on any specific dietary needs or concerns. If you have any medical conditions that affect your diet, always discuss your eating plan with your healthcare professional.

Ready to take the guesswork out of food tracking? Download GLP Trackr on the App Store or Google Play and try it free for 7 days — your first week of effortless food logging is on us.