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Get K-Phos for as low as $38.48, which is 25% off the average retail price of $51.21 for the most common version, by using a GoodRx coupon.

| Dosage | Quantity | Retail price | GoodRx price |
|---|
| 500mg | 60 tablets | N/A | $44.64 |
GoodRx coupon prices last updated on 03/15/26.
Sales tax may apply and is not included.