There are many formulations of insulin some are otc, and some are prescription only. Regular insulin R insulin, and NPH insulin, and 70/30 are otc and you can b

There are many formulations of insulin some are otc, and some are prescription only. Regular insulin R insulin, and NPH insulin, and 70/30 are otc and you can buy them without a prescription. Having said that I want to point out 2 points * Administering insulin can be very dangerous Without insurance cost more than $100 a vial Always talk to a qualified healthcare professional regarding your health.