URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Fish, mackerel, king, raw, 1 oz Protein (g) 17.24 Total lipid (fat) (g) 1.7 Carbohydrate, by difference (g) 0 Energy (kcal) 89.25 Fiber, total dietary (g) 0 Calcium, Ca (mg) 26.35 Iron, Fe (mg) 1.51 Magnesium, Mg (mg) 27.2 Phosphorus, P (mg) 210.8 Potassium, K (mg) 369.75 Sodium, Na (mg) 134.3 Zinc, Zn (mg) 0.48 Copper, Cu (mg) 0.02 Manganese, Mn (mg) 0 Selenium, Se (mcg) 31.02 Vitamin A, IU (IU) 617.95 Retinol (mcg) 185.3 Vitamin C, total ascorbic acid (mg) 1.36 Thiamin (mg) 0.08 Riboflavin (mg) 0.4 Niacin (mg) 7.3 Pantothenic acid (mg) 0.71 Vitamin B-6 (mg) 0.38 Folate, total (mcg) 6.8 Vitamin B-12 (mcg) 13.26 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 6.8 Cholesterol (mg) 45.05 Fatty acids, total saturated (g) 0.31 Fatty acids, total monounsaturated (g) 0.65 Fatty acids, total polyunsaturated (g) 0.39