Cashews are rich in a range of nutrients. One ounce (28 grams) of unroasted, unsalted cashews provides you with around (1Trusted Source): Calories: 157 Protein: 5 grams Fat: 12 grams Carbs: 9 grams Fiber: 1 gram Copper: 69% of the Daily Value (DV) Magnesium: 20% of the DV Manganese: 20% of the DV Z