URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Pork, fresh, variety meats and by-products, kidneys, cooked, braised, 1 oz Protein (g) 21.59 Total lipid (fat) (g) 4 Carbohydrate, by difference (g) 0 Energy (kcal) 128.35 Fiber, total dietary (g) 0 Calcium, Ca (mg) 11.05 Iron, Fe (mg) 4.5 Magnesium, Mg (mg) 15.3 Phosphorus, P (mg) 204 Potassium, K (mg) 121.55 Sodium, Na (mg) 68 Zinc, Zn (mg) 3.53 Copper, Cu (mg) 0.58 Manganese, Mn (mg) 0.13 Selenium, Se (mcg) 264.77 Vitamin A, IU (IU) 221 Retinol (mcg) 66.3 Vitamin C, total ascorbic acid (mg) 9.01 Thiamin (mg) 0.34 Riboflavin (mg) 1.35 Niacin (mg) 4.92 Pantothenic acid (mg) 2.44 Vitamin B-6 (mg) 0.39 Folate, total (mcg) 34.85 Vitamin B-12 (mcg) 6.62 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 34.85 Cholesterol (mg) 408 Fatty acids, total saturated (g) 1.28 Fatty acids, total monounsaturated (g) 1.32 Fatty acids, total polyunsaturated (g) 0.32