Raw cashews are rich in iron, copper, zinc, and manganese. Iron supports your immune system and is essential for oxygen transport. Copper helps the body make energy, process iron, and strengthen blood vessels. Zinc gives you a healthy immune system and assists with positive cell growth by activating hundreds of proteins when consumed. Manganese helps the body in processing cholesterol, proteins and fats, supporting your metabolism. It also helps control blood sugar. Each 1 ounce portion gives the body 11% of your daily iron intake for women and 23% for men, 68% of copper for both women and men, 20% of zinc for women and 15% for men, and 26% of manganese for women and 20% for men.