Walnuts are nutritional powerhouses that actively support heart and brain health. Packing high amounts of plant-based omega-3 fatty acids (alpha-linolenic acid), antioxidants, and dietary fiber, a simple 1-ounce daily serving helps reduce systemic inflammation, lowers "bad" LDL cholesterol, and promotes a healthy, diverse gut microbiome.To explore the science-backed advantages of adding this versatile superfood to your diet