Question: how much does it cost to make a vial of insulin?
Answer: A 2018 study estimated that one vial of human insulin costs $2.28-$3.42 to produce, and one vial of analog insulin costs $3.69-$6.16 to produce. The study revealed that a year's supply of human insulin could cost $48-$71 per patient, and analog insulin could cost $78-$133 per patient per year.