Check your insurance plan’s formulary. This document lists covered medications and their tier levels. Metformin 500mg is a common drug, so it’s likely included. However, the specific cost depends on your plan’s tier system.
Formulary Tiers and Costs
Generally, formularies have tiers like “preferred,” “non-preferred,” and “specialty.” Preferred tier drugs usually have the lowest copay. Non-preferred drugs cost more. Specialty drugs have the highest cost-sharing. Your plan’s website or member services can clarify Metformin’s tier.
- Preferred Tier: Expect a low copay, perhaps $10-$30 per prescription. Non-Preferred Tier: Your copay could be $50-$100 or more. Specialty Tier: This is unlikely for Metformin, but if it’s listed here, expect very high costs.
Your copay is only part of the cost. Consider your deductible and out-of-pocket maximum. Once you meet your deductible, your cost-sharing may decrease.
Steps to Determine Your Exact Cost
Visit your insurance provider’s website: Most insurers have online tools to check drug costs. Use your insurance company’s mobile app: Many insurance companies offer mobile apps with similar functionality. Contact your insurance provider directly: Call their customer service number; they can provide specific cost information for Metformin 500mg with your plan details. Check with your pharmacy: Your local pharmacy can also access your plan’s formulary and tell you your estimated cost.
Exploring Cost-Saving Options
If your out-of-pocket cost is high, explore these options:
- Generic Metformin: Ensure your prescription is for the generic version; it is usually much cheaper than brand-name alternatives. Manufacturer coupons or patient assistance programs: Check the drug manufacturer’s website for potential savings. Prescription drug discount cards: Several companies provide discount cards that can reduce your costs at the pharmacy. Compare options to find the best deal.
Prescription Drug Assistance Programs
If you have limited financial resources, research government and non-profit programs that assist with prescription drug costs. These programs offer support based on income level and other factors.


