Walnuts serve as a nutritious snack that delivers a variety of health benefits. Besides flavor, they are loaded with heart-healthy fats.---Nutrition Overview (Per 1 oz)- Calories: 183- Fat: 18g (mostly polyunsaturated)- Low in carbs (3.8g)- Rich in fiber: 1.9g- Protein: 4.3g- GI ~15, glycemic load = 1---Top Health Benefits of Walnuts1. **Heart Heal