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nutrition 6 min read

Optimizing Nutrition While on GLP-1 Therapy: What to Eat and Avoid

Progressing TeamMarch 22, 2026

Fueling Your Transformation

GLP-1 therapy significantly reduces your appetite, which means every calorie you consume matters more than ever. Proper nutrition isn't just about weight loss — it's about preserving muscle mass, maintaining energy, and optimizing your health outcomes.

The Golden Rules of GLP-1 Nutrition

Rule 1: Protein First, Always

When your appetite is reduced, protein should be your top priority at every meal. Aim for 0.7-1g per pound of lean body mass daily. Good sources include chicken breast, fish, Greek yogurt, eggs, and whey protein.

Rule 2: Hydration is Non-Negotiable

GLP-1 therapy can increase the risk of dehydration. Aim for at least 64-100oz of water daily. Add electrolytes if you're active.

Rule 3: Prioritize Micronutrients

Reduced food intake means reduced micronutrient intake. Consider supplementing with a high-quality multivitamin, vitamin D, B12, and omega-3 fatty acids.

Best Foods for GLP-1 Users

  • Lean proteins — chicken, turkey, fish, tofu, Greek yogurt
  • Non-starchy vegetables — broccoli, spinach, bell peppers, zucchini
  • Complex carbs (moderate) — sweet potatoes, quinoa, oats
  • Healthy fats (small amounts) — avocado, olive oil, nuts
  • Fermented foods — yogurt, kimchi, sauerkraut for gut health

Foods to Limit or Avoid

  • High-fat fried foods — significantly worsen GI side effects
  • Sugary drinks and desserts — empty calories when intake is limited
  • Large portions of red meat — harder to digest with delayed gastric emptying
  • Alcohol — increases dehydration risk and empty calories
  • Carbonated beverages — can increase bloating and discomfort

Sample Day of Eating

Breakfast: Greek yogurt (20g protein) with berries and a sprinkle of granola
Snack: Protein shake with spinach and banana
Lunch: Grilled chicken salad with olive oil dressing
Snack: Hard-boiled eggs and cucumber
Dinner: Baked salmon with roasted vegetables and quinoa

Total: ~120g protein, ~1,400 calories — optimized for weight loss while preserving muscle.

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