Protein has easily earned its reputation as the “it” macronutrient for weight loss. Getting enough not only helps tamp down hunger, but it also steadies your blood sugar so you can avoid major spikes and drops, says registered dietitian Julia Stevens, M.P.H., R.D.N., C.P.T., owner of Active Nutrition. “It can also help fight the loss of lean body mass while in a calorie deficit,” she explains. That’s a major bonus if you want to stay toned while you slim down (which is definitely a good idea, by the way).
But with all the talk about eating more protein these days, you might get the impression that its calories don’t count. That’s not quite the case. “In a time when fitness and wellness gurus talk constantly about protein, it’s necessary to understand that protein calories still contribute to overall calories,” says Amy Goldsmith, R.D.N., L.D.N., owner of Kindred Nutrition & Kinetics. “When anyone eats a surplus of any macronutrient calorie, it is stored as fat, so overeating in protein not only contributes to overall calories, but can also increase body fat.”
So, how do you work the math of adding more protein without overdoing it on calories? Check out these five dietitian-backed tips.
- ABOUT OUR EXPERTS: Julia Stevens, M.P.H., R.D.N., C.P.T., is a registered dietitian and the owner of Active Nutrition. Amy Goldsmith, R.D.N., L.D.N., is a registered dietitian and the owner of Kindred Nutrition & Kinetics.
1. Focus on Lean Proteins
When choosing high-protein foods, keep tabs on other nutrients that are “coming along for the ride,” suggests Stevens. Looking at you, fat! “Some options, like red meat and cheese, are a great option for protein at a meal or snack, but their higher fat content can make it harder to balance calories.” While you can always choose lean red meats, like top sirloin or venison, red meat tends to be higher in fat than poultry. (And, for reference, fat contains nine calories per gram, while protein and carbs contain four calories per gram.)
Rather than choosing proteins bound up with a lot of fat, try leaner choices as the foundation of your meals and snacks. “[This] can be as simple as choosing more fish and chicken at meals, using low- or no-fat dairy like yogurt, cottage cheese, or fat-free ultra-filtered milk,” Stevens says. If you’d like to keep full-fat dairy in your diet for its health benefits (like potentially lowering the risk of cardiovascular disease and diabetes), consider alternating low- and non-fat dairy with full-fat.
2. Sneak in Low-Calorie Protein Boosters
Wanna move the calorie needle even lower? You’ve got options. Some foods provide concentrated protein with almost no additional calories from fat or carbs. Goldsmith suggests adding protein boosters like egg white powder (six grams of protein and 26 calories per tablespoon) or gelatin powder (six grams of protein and 23 calories per tablespoon) to bowls or smoothies. Or try bone broth (10 grams of protein and 80 calories per cup) as the base of meals instead of water. (You can even cook rice in it!) While you might not want to eat these foods on their own—though sipping bone broth is lovely—they seamlessly sneak low-calorie protein into mixed and blended dishes.
3. Tweak Your Smoothie Recipe
We all know a protein smoothie can be a great mini-meal—or occasionally even a whole meal on the go! But watch what you pop into the blender. If you’re not mindful, a smoothie’s ingredients can quickly add up to hundreds and hundreds of calories. (Components like nut butter, yogurt, and oats are sneaky contributors here.)
Read More: Signs You Need More Protein, Plus Easy Ways to Pack More Into Your Day
Also worth noting: While bottled smoothies or blends from the local cafe can be delicious, they’re often loaded with more calories than you might expect. “Many of the ‘easier’ or more portable protein choices […] like drinks are significant enough in calories that it can be hard to maintain a calorie deficit,” says Goldsmith. And since drinking your meals is less satiating than eating them, you might not feel as satisfied after a smoothie as after a meal you’ve chewed.
To get around the high-calorie smoothie pitfall, pick your protein wisely and measure ingredients carefully to keep portions in check. “Start with a protein base like non-fat Greek yogurt or a protein powder that’s low in added sugar, carbs, and fat,” recommends Victoria Whittington, R.D.N., founder of Your Dietitian Victoria. From there, round things out with a minimum of lower-cal add-ins, such as leafy greens, berries, or an unsweetened nut milk. Also, stick to standard serving sizes (or less) of higher-calorie ingredients, such as two tablespoons of peanut butter, three-quarters of a cup of yogurt, or half a cup of dry oats.
If you’re purchasing a smoothie out somewhere, be sure to check nutrition facts labels for total calorie count.
4. Use Your Plate as a Visual
“A simple way to increase protein while keeping calories in check is to adjust portions using a balanced plate approach,” says Whittington. As you dish up your meals, let your plate be a visual guide. Whittington recommends aiming for a plate full of half non-starchy vegetables, one-quarter protein, and one-quarter carbohydrates. “This naturally creates satisfying and balanced meals without needing to track or overhaul what you’re eating.”
5. Power Up With Plants
Don’t discount the power of plants to pack your plate with protein (and not a lot of calories). Goldsmith points to a wide variety of optimal vegetarian options, such as tofu (nine grams of protein and 80 calories in three ounces), edamame (nine grams of protein and 95 calories in half a cup), and seitan (21 grams of protein and 120 calories in a third of a cup).
Read More: How to Choose the Right Plant-Based Protein for You
You don’t have to go fully plant-based to keep calories in check—but, for weight loss, you may want to lean in a more veggie-forward direction. A 2025 study examined the effects of four common plant-based eating patterns (vegan, lacto-ovo-vegetarian, Mediterranean, and the EAT-Lancet Planetary Health Diet). All four resulted in lower body weight, waist circumference, fat mass, and calorie intake in 90 subjects over 12 weeks, compared to a control diet based on World Health Organization recommendations.
The Bottom Line
Focusing on protein is a worthy effort for weight loss. But pumping up your protein without regard to calories could do more harm than good. “The common thought is to ‘just eat more protein,’ but doing that without considering the calories is a common reason some people get stuck on their weight-loss journey,” says Stevens. “Remember, protein is important, but it must still be balanced!” Let the tips and tweaks above keep you mindful about adding protein in the context of total calories.
