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Riomet (metformin) is used to treat type 2 diabetes. Riomet is less popular than other biguanides. Riomet is available in generic and brand versions.
Check our savings tips for co-pay cards, assistance programs, and other ways to reduce your cost. Riomet is covered by some Medicare and insurance plans.
Get Metformin for as low as $96.40, which is 71% off the average retail price of $333.36 for the most common version, by using a GoodRx coupon.


| Dosage | Quantity | Retail price | GoodRx price |
|---|
| 500mg/ 5ml | 300 ml | $227.03 | $96.40 |
Get an extra $9.00 off Metformin and up to 90% off all prescriptions. Gold plans start at just $9.99/mo. Cancel any time.*
GoodRx coupon prices last updated on 05/01/26.
*Prices subject to change without notice. Sales tax may apply and is not included.