High-protein diets consist of 30-50 percent of protein-based calories in contrast to the average diets that contain 10-15 percent. Active individuals need 75 to 120 grams of daily protein to build muscle depending on lean muscle mass according to Dr. Barry Sears, author of The Zone. Biggest Loser fitness trainer Bob Harper explains, "The more lean muscle mass on the body, the less fat it is going to have, so your body becomes a fat-burning machine." The following is a list of healthy high-protein foods.Fish, Poultry, and Lean MeatsHealthy meats including non-fried skinless chicken breast, turkey, fish, lean steak, and **** tenderloin contain between 23-26 grams of protein for a 3-4 ounce serving. Fish, the healthiest of these choices, include salmon, mackerel, sardines, and tuna.DairyThe healthiest types of high protein cheese and yogurt include following:A _ cup of fat-free cottage cheese has 14 grams of protein.One ounce of fat-free shredded cheese has 9 grams of protein.One cup of non-fat yogurt contains 8-9 grams of protein.SoySoy is a plant-based form of high protein that includes the following:A 3-ounce Soy Burger has between 10-13 grams of protein.A 3-ounce portion of tofu has 5 grams of protein.One ounce of soy crumbles has 7 grams of protein.EggsEgg whites are popular in healthy eating plans as they are low in calories and fat and high in protein. Two boiled egg whites contain 30 calories and 7 grams of protein. Cartons of liquid egg whites are also available for scrambling or making omelets.NutsA great high protein snack includes 1/3 cup of raw nuts such as almonds, walnuts, pumpkin seeds, or sunflower seeds that contain 21 grams of protein.BeansBeans are a high in protein, containing 7-10 grams of protein in _ a cup, and make an healthy side-dish.GrainsWhen it comes to high protein grains, both _ cup of old-fashioned oatmeal and one whole wheat tortilla contain 5 grams of protein.The following are some pointers to keep in mind:1 gram of protein equals 4 calories, while 1 gram of fat equals 9 calories.1 pound of protein burns 6 calories daily to rebuild itself, while 1 pound of fat burns 2 calories.The body expends 25 percent more energy to digest proteins than to digest fat.