URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Fish, mackerel, Atlantic, cooked, dry heat, 1 oz Protein (g) 20.27 Total lipid (fat) (g) 15.14 Carbohydrate, by difference (g) 0 Energy (kcal) 222.7 Fiber, total dietary (g) 0 Calcium, Ca (mg) 12.75 Iron, Fe (mg) 1.33 Magnesium, Mg (mg) 82.45 Phosphorus, P (mg) 236.3 Potassium, K (mg) 340.85 Sodium, Na (mg) 70.55 Zinc, Zn (mg) 0.8 Copper, Cu (mg) 0.08 Manganese, Mn (mg) 0.02 Selenium, Se (mcg) 43.86 Vitamin A, IU (IU) 153 Retinol (mcg) 45.9 Vitamin C, total ascorbic acid (mg) 0.34 Thiamin (mg) 0.14 Riboflavin (mg) 0.35 Niacin (mg) 5.82 Pantothenic acid (mg) 0.84 Vitamin B-6 (mg) 0.39 Folate, total (mcg) 1.7 Vitamin B-12 (mcg) 16.15 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 1.7 Cholesterol (mg) 63.75 Fatty acids, total saturated (g) 3.55 Fatty acids, total monounsaturated (g) 5.96 Fatty acids, total polyunsaturated (g) 3.66