GLP-1 protein calculator

Find a daily protein target to help protect your muscle while you lose weight on Ozempic®, Wegovy®, Mounjaro® or Zepbound®. Free, private, no sign-up.

Your details

Weight unit
Activity
Goal

Enter a weight between 30 and 300 kg (66–660 lb). Your answer updates as you type. Nothing is stored or sent anywhere.

Your daily protein target101–134 g

About 34–45 g at each of three meals.

Breakfast34–45 g
Lunch34–45 g
Dinner34–45 g

Based on 1.2–1.6 g of protein per kg of body weight, a range many dietitians suggest during weight loss. Ask your clinician or dietitian for a personal target, especially if you have kidney disease.

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How it works

How much protein do you need on a GLP-1?

Short answer

Many dietitians suggest about 1.2–1.6 g of protein per kg of body weight a day while losing weight on a GLP-1, spread across meals. For an 84 kg adult that is roughly 100–135 g a day. Your clinician can personalise this.

Want the detail? Read how much protein you need on a GLP-1 and how to lose fat and keep muscle.

Protein for small appetites

Easy protein when you’re not hungry

Approximate protein per serving. Check the label of what you buy.

Approximate values from typical food labels.
FoodServingProtein
Chicken breast, cooked100 g≈ 31 g
Canned tuna, drained1 can (120 g)≈ 28 g
Firm tofu150 g≈ 20 g
Protein shake1 scoop≈ 20–25 g
Lentils, cooked1 cup (200 g)≈ 18 g
Greek yoghurt, plain170 g pot≈ 17 g
Cottage cheese150 g≈ 16 g
Eggs2 large≈ 12 g
Protein FAQ

Protein on a GLP-1, answered

Why does protein matter on Ozempic® or Mounjaro®?

GLP-1 medicines reduce appetite, so it’s easy to eat less protein. Enough protein, together with strength exercise, helps protect your muscle while you lose fat.

How do I hit my protein target with a small appetite?

Start each meal with protein, choose dense foods like Greek yoghurt, eggs, fish or tofu, and spread protein across three or four smaller meals.

Can I eat too much protein?

For most healthy adults these targets are safe. If you have kidney disease or another condition, ask your clinician before raising your protein.

Is this calculator medical advice?

No. It gives a general estimate for education. Your clinician or dietitian can set a target that is right for you.

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