Healthy dieting requires a balanced diet of both carbohydrates and proteins. Diet-smart proteins support the body boosting metabolism, repairing body tissue and helping muscles contract. Protein also helps stave off hunger when dieting. A savvy dieter must search for the best sources of protein available to lose weight, feel full and stay healthy. Yogurt is great source of low-fat protein. Packed with 11 grams of protein, yogurt's live and active cultures boost the body's immune system. This ...