A high-protein diet can help reduce hunger so that you can control your weight more easily. Some high-protein options such as fatty meats and full-fat cheeses are unhealthy because of their high content of saturated fat, but many high-protein foods are low in fat and are nutritious. The U.S. Traditionally, a balanced diet is meant to contain 50 to 60 percent carbohydrates, 12 to 20 percent protein and 30 percent fat. Data from the United States Department of Agriculture has shown that most Americans consume diets close to this, with an average of 48.1 percent carbohydrates, 11.3 percent protein and 40.6 percent fat. In contrast, high-carb, low-protein diets can range from 64 ...