Walnuts remain a versatile snack that offers a variety of health benefits. Besides flavor, they are loaded with heart-healthy fats.---Nutrition Overview (Per 1 oz)- 183 calories per serving- Fat: 18g (mostly polyunsaturated)- Low in carbs (3.8g)- Rich in fiber: 1.9g- Protein: 4.3g- Low glycemic impact---Why Walnuts Are Great for You1. **Cardiovascu