URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Fish, tuna, skipjack, fresh, cooked, dry heat, 1 oz Protein (g) 23.98 Total lipid (fat) (g) 1.1 Carbohydrate, by difference (g) 0 Energy (kcal) 112.2 Fiber, total dietary (g) 0 Calcium, Ca (mg) 31.45 Iron, Fe (mg) 1.36 Magnesium, Mg (mg) 37.4 Phosphorus, P (mg) 242.25 Potassium, K (mg) 443.7 Sodium, Na (mg) 39.95 Zinc, Zn (mg) 0.89 Copper, Cu (mg) 0.09 Manganese, Mn (mg) 0.02 Selenium, Se (mcg) 39.78 Vitamin A, IU (IU) 51 Retinol (mcg) 15.3 Vitamin C, total ascorbic acid (mg) 0.85 Thiamin (mg) 0.03 Riboflavin (mg) 0.1 Niacin (mg) 15.94 Pantothenic acid (mg) 0.41 Vitamin B-6 (mg) 0.83 Folate, total (mcg) 8.5 Vitamin B-12 (mcg) 1.86 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 8.5 Cholesterol (mg) 51 Fatty acids, total saturated (g) 0.36 Fatty acids, total monounsaturated (g) 0.21 Fatty acids, total polyunsaturated (g) 0.34