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How much protein is in egg whites?

3 tbsp (46 g) of egg whites has 4.6 g of protein and 22 calories: about 21 g of protein per 100 calories, which is very high.

At a glance

  • 4.6 g protein and 22 calories per 3 tbsp (46 g).
  • 21 g protein per 100 calories: #15 of 536 foods in our USDA list, #1 of 10 in eggs.
  • 66 mg sodium per serving.

What is egg whites like to eat?

Egg whites are the clear part of the egg, sold separated in cartons or cracked fresh at home. They cook up mild and soft, take on whatever flavors you add, and make it easy to stretch whole-egg dishes with extra protein.

How can you eat more egg whites?

Try this

Mix half and half with whole eggs in a scrambleBake into egg muffins with spinach and peppersWhisk into oatmeal while it cooks for a fluffy bowlMake a thin omelet wrap for vegetables and cheese

Is egg whites good on a GLP-1?

They cook into a light, soft texture that many people find gentle, and a small scramble is easy to make in a single portion. Protein density matters more when your appetite is small: see protein on a GLP-1.

How does egg whites compare?

FoodServingProteinCaloriesProtein per 100 kcal
Egg whites3 tbsp4.6 g2221 g
Eggs1 large6.3 g788.1 g
Cottage cheese1/2 cup12.4 g9513.1 g
Greek yogurt3/4 cup17.5 g10416.9 g

Close to egg whites per calorie: crab (21.6 g), lobster (21.3 g), turkey breast (20.5 g), tilapia (20.4 g).

Compare more foods with the protein finder, or see protein in every food we cover.

What should you look for when you buy it?

Carton egg whites are pasteurized and convenient; check the ingredient list says just egg whites if you want nothing added.

What's the full nutrition for egg whites?

NutrientPer 3 tbsp (46 g)Per 100 g% Daily Value
Calories2248
Protein4.6 g10.1 g9%
Fat0.1 g0.2 g
Saturated fatNot listedNot listed
Carbohydrate0.3 g0.7 g
FiberNot listedNot listed
SugarNot listedNot listed
Sodium66 mg144 mg3%
Calcium4 mg9 mg0%
Iron0.1 mg0.18 mg1%
Vitamin B12Not listedNot listed
Vitamin D0 mcg0 mcg0%

USDA FoodData Central, Foundation: "Egg, white, raw, frozen, pasteurized". % Daily Value uses the FDA's values for adults (protein 50 g, fiber 28 g, sodium 2,300 mg). "Not listed" means USDA didn't measure it for this food, not that it's zero. Brands differ, so check your label.

General education about food, not medical advice. If you have kidney disease or another condition that affects protein, talk to your doctor or a registered dietitian about your own needs.
Sources (3)
  1. USDA FoodData Central (Foundation): Egg, white, raw, frozen, pasteurized
  2. FDA: How to understand and use the Nutrition Facts label
  3. Mozaffarian et al. Nutritional priorities to support GLP-1 therapy for obesity: a joint advisory (ACLM, ASN, OMA, TOS). Obesity Pillars, 2025

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