URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Fish, tuna, white, canned in water, without salt, drained solids, 1 oz Protein (g) 20.08 Total lipid (fat) (g) 2.52 Carbohydrate, by difference (g) 0 Energy (kcal) 108.8 Fiber, total dietary (g) 0 Calcium, Ca (mg) 11.9 Iron, Fe (mg) 0.82 Magnesium, Mg (mg) 28.05 Phosphorus, P (mg) 184.45 Potassium, K (mg) 201.45 Sodium, Na (mg) 42.5 Zinc, Zn (mg) 0.41 Copper, Cu (mg) 0.03 Manganese, Mn (mg) 0.02 Selenium, Se (mcg) 55.84 Vitamin A, IU (IU) 16.15 Retinol (mcg) 5.1 Vitamin C, total ascorbic acid (mg) 0 Thiamin (mg) 0.01 Riboflavin (mg) 0.04 Niacin (mg) 4.93 Pantothenic acid (mg) 0.11 Vitamin B-6 (mg) 0.18 Folate, total (mcg) 1.7 Vitamin B-12 (mcg) 0.99 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 1.7 Cholesterol (mg) 35.7 Fatty acids, total saturated (g) 0.67 Fatty acids, total monounsaturated (g) 0.67 Fatty acids, total polyunsaturated (g) 0.94