URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Fish, mackerel, king, raw, 1 fillet Protein (g) 40.15 Total lipid (fat) (g) 3.96 Carbohydrate, by difference (g) 0 Energy (kcal) 207.9 Fiber, total dietary (g) 0 Calcium, Ca (mg) 61.38 Iron, Fe (mg) 3.52 Magnesium, Mg (mg) 63.36 Phosphorus, P (mg) 491.04 Potassium, K (mg) 861.3 Sodium, Na (mg) 312.84 Zinc, Zn (mg) 1.11 Copper, Cu (mg) 0.05 Manganese, Mn (mg) 0.01 Selenium, Se (mcg) 72.27 Vitamin A, IU (IU) 1439.46 Retinol (mcg) 431.64 Vitamin C, total ascorbic acid (mg) 3.17 Thiamin (mg) 0.2 Riboflavin (mg) 0.94 Niacin (mg) 17.01 Pantothenic acid (mg) 1.66 Vitamin B-6 (mg) 0.88 Folate, total (mcg) 15.84 Vitamin B-12 (mcg) 30.89 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 15.84 Cholesterol (mg) 104.94 Fatty acids, total saturated (g) 0.72 Fatty acids, total monounsaturated (g) 1.51 Fatty acids, total polyunsaturated (g) 0.91