Some high protein snacks include a handful of almonds, nonfat Greek yogurt, a protein shake or string cheese. Bowls of processed foods. StockGetty Images Balance your meals by including whole, natural foods such as low fat dairy products, lean meats, whole grains, fruits and vegetables. These foods are high in protein, which will speed up metabolism, build and repair muscle tissue and keep you fuller for longer. Avoid processed foods such as crackers and chips that contain enriched flour, preservatives and chemicals. Woman jogging. Jed ShareKaoru ShareBlend ImagesGetty Images Combining regular exercise with proper diet can improve your overall body composition by building and maintaining muscle mass. Include both cardiovascular exercise and strength training into your exercise plan. If you experience low energy levels during exercise, then consider adding more calories to your diet to increase performance. Indian Diabetic Diet Diabetes Forecast Pump.