Pistachio is one of the richest sources of vitamin B6 and is very high in potassium. It contains antioxidants, especially lutein and zeaxanthin, promoting eye health. These antioxidants from pistachio are very easily absorbed in our body. Also packed with protein and aminoacids, it is great for gut health, blood vessels and prevention of cardiovascular diseases. It is a great source of vitamin E, improving skin and hair health. Pistachio can also help with blood sugar control and lowering cholesterol and keeps heart healthy. It may aid weight loss when consumed in moderation since not all the fat from it is absorbed in our body.