ITS-L1 Supplement 100 x Liquid w/1MG per ML Insulin from bovine pancreas, 0.55MG per ML Human Transferrin, 0.5 µg per ML Sodium Selenite, 50MG per ML Bovine serum albumin, 470 µg per ML Linoleic acid and 470 µg per ML Oleic acid in Earle’s Balanced Salt S, HiMedia