Pistachios from Serres are an excellent source of protein, good fats, vitamins and minerals. A 100 gram serving of raw pistachios has more protein than a steak. It contains a higher amount of protein than any other nut, making it an ideal food for vegetarians. It provides essential minerals and trace elements such as calcium, potassium, iron, magnesium and copper. It contains antioxidants, such as polyphenols, which offer protection against free radicals.