URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Fish, mackerel, salted, 1 piece (5-1/2" x 1-1/2" x 1/2") Protein (g) 14.8 Total lipid (fat) (g) 20.08 Carbohydrate, by difference (g) 0 Energy (kcal) 244 Sugars, total (g) 0 Fiber, total dietary (g) 0 Calcium, Ca (mg) 52.8 Iron, Fe (mg) 1.12 Magnesium, Mg (mg) 48 Phosphorus, P (mg) 203.2 Potassium, K (mg) 416 Sodium, Na (mg) 3560 Zinc, Zn (mg) 0.88 Copper, Cu (mg) 0.08 Selenium, Se (mcg) 58.72 Vitamin A, IU (IU) 125.6 Retinol (mcg) 37.6 Carotene, beta (mcg) 0 Carotene, alpha (mcg) 0 Vitamin E (alpha-tocopherol) (mg) 1.9 Cryptoxanthin, beta (mcg) 0 Lycopene (mcg) 0 Lutein + zeaxanthin (mcg) 0 Vitamin C, total ascorbic acid (mg) 0 Thiamin (mg) 0.02 Riboflavin (mg) 0.15 Niacin (mg) 2.64 Vitamin B-6 (mg) 0.33 Folate, total (mcg) 12 Vitamin B-12 (mcg) 9.6 Vitamin K (phylloquinone) (mcg) 6.24 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 12 Cholesterol (mg) 76 Fatty acids, total saturated (g) 5.72 Fatty acids, total monounsaturated (g) 6.66 Fatty acids, total polyunsaturated (g) 4.97