Walnuts serve as a powerful snack that packs a variety of health benefits. Beyond being tasty, they are loaded with fiber and antioxidants.---Walnut Nutrient Facts- Calories: 183- Healthy fats: 18g- Low in carbs (3.8g)- Fiber: 1.9g- Protein-packed: 4.3g- Low glycemic impact---Why Walnuts Are Great for You1. **Cardiovascular Support** Walnuts lo