10 Foods That Are Almost Pure Protein

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2. Turkey Breast

Turkey is a low-fat source of protein. The breast is the leanest part of the bird. Three ounces (85 grams) of roasted, skinless turkey breast contain about 24 grams of protein and 115 calories. Turkey is also high in niacin, vitamin B6, selenium, phosphorus and zinc.

It also contains high amounts of tryptophan. This amino acid helps synthesize serotonin, an important neurotransmitter. Protein content in 100 grams: 30 grams (95% of calories).

Turkey is a low-calorie source of protein, at about 95% of calories. It also contains B-vitamins and minerals such as selenium and zinc.

3. Egg Whites


Like most other animal foods, eggs have high-quality protein because they contain all the amino acids. Most of the vitamins, minerals and antioxidants in eggs are found in the yolk. However, the egg whites contain at least 60% of the protein. A one-cup (243-gram) serving of egg whites gives you 26 grams of protein and only about 115 calories.

Protein content in 100 grams: 11 grams (91% of calories).

Egg whites mostly consist of water and protein. About 91% of calories in egg whites are from protein.

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