Roasted & Salted Pistachios in Shell. These Pistachios are grown in Cochise County, Arizona. Pistachios are a nutritionally dense food. In a 100 gram serving, pistachios provide 562 calories and are a rich source (20% or more of the Daily Value or DV) of protein, dietary fiber, several dietary minerals and the B vitamins, thiamin and especially vitamin B6 at 131% DV Pistachios are a good source (10–19% DV) of calcium, riboflavin, vitamin B5, folate and vitamin E .