Walnuts remain a powerful snack that packs a variety of health benefits. Beyond being tasty, they are loaded with omega-3s. --- Walnut Nutrient Facts - 183 calories per serving - Fat: 18g (mostly polyunsaturated) - Low in carbs (3.8g) - Fiber: 1.9g - Protein-packed: 4.3g - GI ~15, glyc