Prescription savings
Stop paying too much for your prescriptions. Compare prices, get pharmacy coupons, and save up to 80%.Resources
About GoodRx
Health conditions
Medications & treatment
Access & affordability
Well-being
Medication discounts



Get Phentermine for as low as $10.44, which is 74% off the average retail price of $39.91 for the most common version, by using a GoodRx coupon.
| Dosage | Quantity | Retail price | GoodRx price |
|---|
| 8mg | 30 tablets | $280.11 | $12.22 |
| 37.5mg | 30 tablets | $31.75 | $16.35 |
| 15mg | 30 capsules | $40.48 | $14.54 |
| 30mg | 30 capsules | $40.40 | $12.89 |
| 37.5mg | 30 capsules | $36.74 | $14.88 |










Popular offers
200+ medications are free, with hundreds more under $10. Just $14.99/mo. Terms apply.
GoodRx coupon prices last updated on 06/30/26.