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Get Metformin ER (Glucophage XR) for as low as $2.00, which is 93% off the average retail price of $30.53 for the most common version, by using a GoodRx coupon.
| Dosage | Quantity | Retail price | GoodRx price |
|---|

| 500mg | 90 tablets | $64.83 | $3.83 |
| 750mg | 180 tablets | $136.32 | $27.13 |
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GoodRx coupon prices last updated on 04/21/26.