Walnuts serve as a versatile snack that packs a variety of health benefits. Besides flavor, they are loaded with fiber and antioxidants.---Nutrition Overview (Per 1 oz)- Calories: 183- Healthy fats: 18g- Carbs: 3.8g- Rich in fiber: 1.9g- Protein: 4.3g- GI ~15, glycemic load = 1---Why Walnuts Are Great for You1. **Heart Health** Walnuts lower LD