Much of this antioxidant power is found in the thin outer layer of the nut, which is why eating walnuts whole offers the greatest benefit. In addition, walnuts are often associated with brain support due to their combination of beneficial fats, antioxidants, and essential minerals. Many people notice more stable energy and improved focus when they choose walnuts over sugary snacks that cause rapid spikes and crashes.

Beyond their nutritional benefits, walnuts are both versatile and filling.