Lose the fat.
Keep the muscle.
Your free calorie and protein targets in 30 seconds. Built for people on GLP-1s like Zepbound, Mounjaro, Wegovy and Ozempic, and useful for anyone losing weight.
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Why protein matters on a GLP-1
GLP-1s shrink your appetite, and when you eat less it's easy to under-eat protein. In clinical trials, roughly a quarter to two-fifths of the weight people lost on these medications was lean mass, which includes muscle. A 2025 advisory from four obesity and nutrition societies recommends 1.2–1.6 g of protein per kg per day while losing weight, plus regular strength training, to help hold on to muscle.
- Eat your protein first on low-appetite days.
- Spread it out: about 25–40 g per meal is easier than one big serving.
- Add 2–3 strength sessions a week if your clinician says it's OK.
Your appetite may push your intake below this target. That's common on GLP-1s, but if you're regularly far below it, talk to your prescriber or a registered dietitian. This calculator never gives medication or dosing advice.
Get weekly targets that adjust to you
The Proteevo app (coming soon) recalculates your calories each week from your real weight trend, with one-tap protein logging and AI photo logs. Join the early list for a founding-member discount.
Important
Proteevo is a general wellness tool for healthy eating and weight goals. It is not medical advice and does not diagnose, treat or manage any disease. It does not give medication or dosing advice: never change a medication or dose based on this tool. Results are estimates from standard formulas (Mifflin-St Jeor) and won't fit everyone. Don't use it if you're under 18, pregnant or breastfeeding, or have or have had an eating disorder; talk to a clinician instead. Calorie floors of about 1,200 (women) and 1,500 (men) a day follow Harvard Health guidance for unsupervised dieting.
Zepbound, Mounjaro, Wegovy and Ozempic are trademarks of their owners. Proteevo is not affiliated with or endorsed by them.
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