URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Pork, fresh, variety meats and by-products, kidneys, raw, 1 kidney Protein (g) 38.35 Total lipid (fat) (g) 7.57 Carbohydrate, by difference (g) 0 Energy (kcal) 233 Fiber, total dietary (g) 0 Calcium, Ca (mg) 20.97 Iron, Fe (mg) 11.39 Magnesium, Mg (mg) 39.61 Phosphorus, P (mg) 475.32 Potassium, K (mg) 533.57 Sodium, Na (mg) 281.93 Zinc, Zn (mg) 6.41 Copper, Cu (mg) 1.45 Manganese, Mn (mg) 0.29 Selenium, Se (mcg) 442.7 Vitamin A, IU (IU) 461.34 Retinol (mcg) 137.47 Vitamin C, total ascorbic acid (mg) 30.99 Thiamin (mg) 0.79 Riboflavin (mg) 3.95 Niacin (mg) 19.12 Pantothenic acid (mg) 7.29 Vitamin B-6 (mg) 1.03 Folate, total (mcg) 97.86 Vitamin B-12 (mcg) 19.78 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 97.86 Cholesterol (mg) 743.27 Fatty acids, total saturated (g) 2.42 Fatty acids, total monounsaturated (g) 2.49 Fatty acids, total polyunsaturated (g) 0.61