Egg whites are one of the leanest protein sources available and are commonly used in fitness and weight-loss diets. They contain high-quality protein with almost no fat or carbohydrates. Understanding the calories in egg whites can help you plan meals more accurately whether you're building muscle, cutting calories, or simply trying to eat healthier.
| Serving Size | Calories |
|---|---|
| 1 large egg white | 17 |
| 2 large egg whites | 34 |
| ½ cup egg whites | 60 |
| 1 cup egg whites | 120 |
Egg whites are considered one of the purest sources of protein in whole foods. They contain all nine essential amino acids, making them a complete protein, which is important for muscle repair, recovery, and overall body function. Unlike whole eggs, egg whites contain almost no fat and virtually no cholesterol, which significantly reduces their calorie density.
Most of the calories in egg whites come from protein. One large egg white contains roughly 3.6 grams of protein and only about 17 calories, making it one of the most efficient protein-to-calorie foods available. This is why egg whites are commonly used in high-protein diets, bodybuilding meal plans, and clinical nutrition programs.
Egg whites also contain several important micronutrients including riboflavin (vitamin B2), selenium, potassium, and magnesium, which support metabolism, energy production, and immune function. Riboflavin in particular plays a key role in helping the body convert food into usable energy.
Because egg whites contain no carbohydrates and almost no fat, they digest relatively quickly compared to whole eggs. This makes them useful both as a lean protein source for meals and as a post-workout protein option for people trying to build or maintain muscle mass.
Egg whites are widely considered one of the best foods for weight loss because they provide a large amount of protein with very few calories. Protein is the most satiating macronutrient, meaning it helps you feel full longer compared to fats or carbohydrates. Eating high-protein foods like egg whites can reduce hunger and make it easier to maintain a calorie deficit.
Because egg whites are extremely low in calories, they allow people to eat a larger volume of food without significantly increasing daily calorie intake. For example, four egg whites provide around 14 grams of protein for fewer than 70 calories, which makes them ideal for low-calorie meal planning.
Egg whites are also useful during weight loss because adequate protein intake helps preserve lean muscle mass while dieting. Maintaining muscle is important because muscle tissue burns more calories than fat tissue, helping support a healthier metabolism during fat loss.
Many people incorporate egg whites into breakfasts such as omelets, scrambles, or egg-white muffins because starting the day with protein can help stabilize blood sugar and reduce cravings later in the day.
For people using calorie-tracking apps or food scanners like ClearCal, egg whites are often recommended as a high-protein, low-calorie staple that makes it easier to stay within daily calorie goals while still feeling satisfied.
Yes. Egg whites can be safely eaten daily as part of a balanced diet.
Yes. Egg whites are high in protein and low in calories, which helps keep you full while supporting muscle maintenance.
Egg whites contain fewer calories and no fat, but whole eggs provide more nutrients including vitamins and healthy fats found in the yolk.
One large egg white contains about 17 calories and around 3.6 grams of protein.
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