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Common protein rich foods can include: 1  Milk. 2  Soy Milk. 3  Eggs. Cheese. 4  Yogurt. Peanut Butter.  Lean Meats, Fish, and 1  Poultry. Beans, Tofu, Lentils, and other Legumes.  Grains, including bread 1  and pasta. Nuts and  Seeds.
You can get a significant amount of the necessary amino acids from eggs and dairy foods. When it comes to dairy products, low-fat and non-fat sources provide the most protein per gram and per calorie. A 1-ounce slice of non-fat mozzarella provides 9 grams of protein, while the same amount of low-fat Swiss cheese contains 8 grams.