Protamine sulphate, metacresol, phenol, zinc chloride, sodium dihydrogen phosphate dihydrate, glycerol, sodium hydroxide, hydrochloric acid (for pH adjustment), water for injections.
Insulin Human Winthrop Comb 15 on bifaasiline isofaaninsuliini suspensioon, mis sisaldab 15% lahustunud insuliini ja 85% kristallilist protamiininsuliini.