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Get Inpen for as low as $887.11, which is 11% off the average retail price of $1,000.86 for the most common version, by using a GoodRx coupon.

Get an extra $4.80 off Inpen and up to 90% off all prescriptions. Gold plans start at just $9.99/mo. Cancel any time.*
GoodRx coupon prices last updated on 05/06/26.
*Prices subject to change without notice. Sales tax may apply and is not included.| Dosage | Quantity | Retail price | GoodRx price |
|---|
| Humalog | 1 pen | $978.57 | $891.91 |
| Novolog | 1 pen | $1,039.13 | $891.91 |