Pistachio nuts

Like other types of nuts, pistachios provide valuable amounts of minerals including calcium, iron, magnesium and zinc.They are the richest source of potassium of all nuts - just 1 ounce/28 grams deliver as much potassium as an orange and 2 ounces/56 grams provide more potassium than a medium-size banana. Both magnesium and potassium are protective against heart disease.They are also an excellent source of protein and fibre. A single once (28g) of roasted pistachio nuts deliver 13% of the recommended daily intake of protein and 12% of the recommended daily amount of fibre. And you get an amazing 47 nuts in one ounce.