Walnuts remain a powerful snack that packs a variety of health benefits. Beyond being tasty, they are loaded with omega-3s.---Walnut Nutrient Facts- Calories: 183- Fat: 18g (mostly polyunsaturated)- Carbs: 3.8g- Fiber: 1.9g- Protein-packed: 4.3g- GI ~15, glycemic load = 1---Why Walnuts Are Great for You1. **Heart Health** Rich in ALA for heart