High in protein, fiber, and antioxidants, pistachios have several other substantial nutrients, including vitamin B6 and potassium. They are among the most antioxidant-rich nuts around. Because of high lutein and zeaxanthin, they promote eye health. Comparing to most other nuts, pistachios possess fewer calories and more protein. Furthermore, their essential amino acid content is more than any other nut. Eating pistachio nuts can aid weight loss. Therefore, In-shell pistachios are especially beneficial, as they recommend mindful eating.