How Much Protein on a GLP-1? (And How to Actually Eat It)

• Per day: about 1.2–1.6 g of protein per kg of your goal weight (0.55–0.73 g per lb). For most women, that's 80–110 g a day.
• Per meal: 25–35 g, spread over 3 meals, or 3 meals and a snack.
• Your doctor may give you a different number, especially if you have kidney disease.

When you eat 30–40% less, protein is often the first thing to drop. That causes real problems:

• You lose muscle along with fat. In the big GLP-1 trials, a meaningful part of the weight people lost was lean mass. Less muscle means a weaker body and a slower metabolism, and it makes regaining easier later.
• You lose your best tool against hunger. Protein is the most filling nutrient. That matters most when the drug's effect fades at the end of the week, or when you step down treatment.

If you're far from your goal, your current weight includes a lot of body fat, and fat doesn't need protein to maintain itself. Using your current weight would give you a number that's hard to eat and higher than you need.

Your goal weight is closer to the body you're building. If your goal is far away, pick a realistic in-between goal and use that.

You can't eat 30 g at breakfast, nothing at lunch and 70 g at dinner and call it the same. Your body uses protein for muscle best in steady doses through the day. Research on muscle building suggests about 25–30 g per meal is a good amount for most adults.

On a GLP-1 there's a second reason: a 70 g dinner simply won't fit.

For about 90–100 g a day:

For about 80 g a day: keep the same shape, just smaller. Roughly 20 g at breakfast, 25 g at lunch, 10 g as a snack and 25 g at dinner.

Portions are typical servings. "Protein per 100 kcal" shows which foods give you the most protein for the least volume and calories, which is exactly what you need with a small appetite.

Two things stand out:

• Seafood, poultry and Greek yogurt give you the most protein per bite.
• Peanut butter and nuts are healthy, but they're mostly fat. Don't count them as your protein.

Packaged foods vary. Tofu, protein powders and canned fish can differ a lot by brand, so check the label.

This is the simplest rule I follow: eat the protein on your plate first.

On a GLP-1, fullness comes early and suddenly. If you start with bread or potatoes, you'll be done before you reach the chicken. Start with the chicken, and the most important part of the meal is already in.

My own day is simple. Coffee with milk in the morning. At lunch, meat or fish with buckwheat or potatoes and vegetables, plus something sweet. At dinner, protein and vegetables again, and dessert. I only watch two things: protein and fiber.

The hard part is knowing where you are. "Did I get enough protein today?" is hard to answer in your head. In Calorize you just tell Mira what you ate, by voice or text, even from your watch. She logs it and shows your protein so far. Then you can ask her: "I have 35 g of protein left and I'm not hungry. What's the easiest way to get it?" Try Calorize →

Shakes aren't cheating. On a GLP-1 they're often the easiest way to get protein in.

They help most:

• in the morning, when food doesn't appeal;
• on nausea days: a cold shake sipped slowly is often easier than a plate;
• after strength training;
• when you're out and there's nothing with protein around.

What to look for:

• at least 20 g of protein per serving;
• little added sugar;
• a sweetener your stomach tolerates. Sugar alcohols upset many people's stomachs, and a GLP-1 can make that worse;
• a texture you can finish. Thick milk-based shakes feel heavy for some people. Clear whey drinks feel lighter.

Powders cost less per gram than ready-to-drink shakes, and you can mix them into yogurt, oats or coffee.

Don't drink all your protein. Food brings fiber, iron, calcium and other things a shake doesn't. One or two shakes a day, plus real meals, is a common pattern that works.

Some days nothing sounds good. That's common, especially after a dose increase. On those days, protect two things: protein and fluids. Drop everything else.

A "minimum day" with about 70–80 g of protein:

Tips that help:

• Eat by the clock, not by hunger. Every 3–4 hours, a few bites.
• Cold and plain is easier. Yogurt, cottage cheese, tuna, edamame, chilled shrimp.
• Drink your protein. Shakes, milk, kefir, soups.
• Small and often beats one big plate.

If you can't keep fluids down, or you go a whole day barely eating or drinking, call your doctor. That's not a food problem.

• Your target follows your goal weight, not your sex. Most women end up at 80–110 g a day, because most women's goal weights are smaller.
• Around and after menopause, muscle goes faster. Falling estrogen makes it easier to lose muscle. Protein at every meal plus strength training 2–3 times a week matters even more. Expert groups recommend more protein for older adults than the standard minimum.
• Watch your iron. Women aged 19–50 need 18 mg of iron a day, more than twice what men need. When portions shrink, iron drops. Red meat, dark poultry, lentils, beans and tofu help, especially with a vitamin C food on the side.
• Your cycle can change your hunger. Many women feel hungrier in the days before their period. Plan a protein snack for those days instead of fighting it.
• Planning a pregnancy? Talk to your doctor early. GLP-1 medications aren't used in pregnancy.