Insulin's price paid by patients with Type 1 and Type 2 diabetes pay for the drug is up 100% since 2012, according to the Healthcare Cost Institute. The cost of insulin can be $1,000 for those requiring significant cost-sharing. The spike in insulin prices lead to congressional inquiries and outrage; Colorado is the 1st state to implement a cap on what its residents can be charged. The law doesn’t limit what insulin manufacturers can charge insurance companies. Rep. Dylan Roberts, D-Avon, told The Denver Post earlier this year that the projections he saw showed the price of health care plans increasing by “a couple of cents, per person, per month.” The new law requires AG Weiser to investigate why drug manufacturers started raising the price of insulin in recent years.