Black Raisin are useful for Balance the salt content in body and regulate blood pressure. A good source of carbohydrates for energy. Minerals (Iron, Calcium, Magnesium, etc). Vitamin â?? B, C, etc. Better Digestion. Nutrition Information Total Fats- 1.9 gm. Carbohydrates- 63.1 gm. Calories- 394.7 Kcal Sodium- 11.7 mg. Calcium- 6.9 mg. Protein- 2.0 gm. Iron- 0.2 gm. Sugar- 16.5 gm. Vitamin C- 82.9 mg.