You would have to eat two plums to get the same amount of fiber found in one serving of pistachios.
Pistachios & Weight Management: Friend or Foe?
Research continues to show that nuts offer good nutritional value and cardio-supportive benefits. Because of their fiber, fat, and protein content, pistachios are also considered to be a satiating snack. All nuts, however, are not created equal. Pistachios are one of the lowest calorie, lowest fat nuts and offering more nuts per serving compared to any other snack nut.
Pistachios are also one of the only in-shell snack nuts – read about “The Pistachio Principle” to learn how the shell helps slow consumption and offers a visual cue for snackers.