Walnuts are a versatile snack that packs a variety of health benefits. Besides flavor, they are loaded with omega-3s.---Walnut Nutrient Facts- Calories: 183- Fat: 18g (mostly polyunsaturated)- Low in carbs (3.8g)- Rich in fiber: 1.9g- Protein-packed: 4.3g- Low glycemic impact---Top Health Benefits of Walnuts1. **Heart Health** Walnuts lower LDL