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Get Phentermine for as low as $10.98, which is 72% off the average retail price of $38.98 for the most common version, by using a GoodRx coupon.

| Dosage | Quantity | Retail price | GoodRx price |
|---|
| Dosage | Quantity | Retail price | GoodRx price |
|---|
| 8mg | 30 tablets | $267.94 | $14.08 |
| 37.5mg | 30 tablets | $31.57 | $16.85 |
| 15mg | 30 capsules | $41.88 | $14.54 |
| 30mg | 30 capsules | $17.08 | $0.00 |
| 37.5mg | 30 capsules | $42.68 | $17.11 |

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GoodRx coupon prices last updated on 04/02/26.