Pistachio (Pistacia vera) - this delicious snack originates from Southwest Asia and is available today in almost all stores throughout the year. They are a source of carbohydrates, proteins, fats, dietary fiber, minerals (magnesium, phosphorus, potassium, iron, calcium, zinc, copper), B vitamins (B1, B2, B3, B5, B6, folate), vitamins C, E, K and A.