Senate unveils plan to cap insulin costs at $35 per month Mar 29, 2023 | Insurance, Legislature, Prescription Drugs, Top Stories Democratic senators unveiled a bill Tuesday to lower the state’s cap on the out-of-pocket costs for insulin to $35.To access this content, you must purchase 1 Year Health News Illinois Subscription or 1 Year Group Subscription - Up to 5 Users, or log in if you are a member.