Walnuts remain a powerful snack that delivers a variety of health benefits. Besides flavor, they are loaded with fiber and antioxidants.---Walnut Nutrient Facts- 183 calories per serving- Healthy fats: 18g- Low in carbs (3.8g)- Rich in fiber: 1.9g- Protein: 4.3g- Low glycemic impact---Why Walnuts Are Great for You1. **Heart Health** Walnuts low