One of the most powerful aspects of Mounjaro and Zepbound is appetite suppression. But that same appetite reduction creates a nutritional challenge: when you're eating significantly less, every bite needs to count more than ever.

The users who see the best results — sustained weight loss, preserved muscle mass, maintained energy, healthy hair — share one common strategy: they eat protein first.

Why Protein Is Non-Negotiable on GLP-1 Medication

When your body loses weight rapidly, it doesn't just burn fat — it can also break down muscle tissue for energy. This process, called muscle catabolism, becomes a real risk when caloric intake drops significantly without adequate protein intake. Learn how to prevent it in our guide on muscle loss on GLP-1 medication.

Muscle mass matters far beyond appearance. It determines your metabolic rate, your strength, your energy levels, and even your long-term weight maintenance. Losing muscle while on GLP-1 medication can make it harder to keep the weight off once treatment ends.

The target: 1.2–1.6g of protein per kilogram of body weight per day. For a 80kg person, that's 96–128g of protein daily — an amount that requires intention when you're only eating small portions.

The Best Protein Sources for Small Appetites

When appetite is suppressed, volume and digestibility matter. Here are the best protein sources that deliver maximum protein per calorie and per gram of food:

Animal Proteins

  • Greek yoghurt (0% fat) — 10g protein per 100g, highly digestible, versatile
  • Cottage cheese — 11g protein per 100g, filling but light in texture
  • Eggs — 6g per egg, perfect protein profile, easy to prepare
  • Salmon and tuna — 20–25g per 100g, rich in omega-3s for additional anti-inflammatory benefits
  • Chicken breast — 31g protein per 100g, lean and versatile

Plant Proteins

  • Edamame — 11g per 100g, easy to snack on
  • Tofu (firm) — 8g per 100g, absorbs flavours well
  • Lentils — 9g per 100g cooked, also high in fibre and iron
  • Tempeh — 19g per 100g, one of the best plant protein sources

Practical Meal Structure for GLP-1 Users

Rather than focusing on calorie counting, structure your meals around protein and add other macronutrients around it:

Breakfast: 2 eggs scrambled with cottage cheese, or Greek yoghurt with nuts and a protein powder scoop. Target 25–30g protein.

Lunch: A palm-sized portion of chicken, fish, or tofu, with vegetables and a small portion of complex carbohydrates. Target 30–35g protein.

Dinner: Similar structure — protein first, vegetables second, carbohydrates if still hungry. Target 30–35g protein.

Snacks: If you can manage them, hard-boiled eggs, edamame, a handful of nuts, or a protein shake work well.

What to Avoid

With limited stomach capacity and appetite, certain food choices actively work against your progress:

  • Ultra-processed foods — high in calories but low in nutrients, leaving gaps that worsen side effects
  • Liquid calories (sugary drinks, juices) — fill space without providing protein or micronutrients
  • Large portions of refined carbohydrates — displace protein from small meals
  • Skipping meals entirely — muscle loss accelerates without regular protein intake

Filling the Gaps with Mayntain

Even with excellent food choices, eating significantly less means micronutrient intake will be reduced. The vitamins and minerals your hair, skin, immune system, and energy metabolism depend on become depleted — especially biotin, zinc, B vitamins, and magnesium.

Mayntain Daily is designed to work alongside your eating habits, not replace them. Daily intake fills the nutritional gaps that smaller portions inevitably create, ensuring your body has everything it needs to support the transformation you're working hard for.