... .6 IU/g)Mackerel, cooked, 100 g (3.5 oz), 345 IU (3.45 IU/g)Sardines, canned in oil, drained, 50 g (1.75 ... oz), 250 IU (5 IU/g)Tuna, canned in oil ... , 100 g (3.5 oz), 235 ... IU (2.00 IU/g)A whole egg provides 20 IU (0.33 IU/g if egg weighs 60 g)Beef liver, cooked, 100 ...