GLP-1 · 6 min read

What to eat on a GLP-1 medicine: a simple, protein-first approach

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When appetite drops, every bite counts. Here is how to build small meals that protect muscle and keep you feeling well.

GLP-1 medicines such as semaglutide, and tirzepatide (which acts on GLP-1 and GIP), work partly by slowing how quickly the stomach empties and by turning down hunger signals in the brain. Many people find they are satisfied with much smaller portions. That can be a relief, but it also means it is easier to under-eat the nutrients your body still needs.

Why protein comes first

When you eat less overall, you can lose muscle as well as fat. Muscle matters for strength, balance and a healthy metabolism. Eating enough protein, and doing some strength exercise, helps protect it. A useful habit is to eat the protein part of your meal first, while your appetite is at its best.

Your doctor or dietitian can give you a personal protein target. Many people find it helpful to spread protein across the day, rather than trying to fit it into one meal.

Build a protein-first plate

Eating with side effects

Nausea, reflux and constipation are common, especially when starting or increasing a dose. Smaller, lower-fat meals, eating slowly, stopping when you feel comfortably full, plenty of fluids and gradually increasing fibre can all help. If side effects are severe or do not settle, speak to your prescriber.

A sample day

Small, steady changes add up. Focus on protein, fluids and regular meals, and check in with your care team about your own targets.

This article is general information only and is not medical advice. Always talk to your doctor, dietitian or pharmacist about your own health and before changing medicines, diet or exercise.
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