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Kristalose (lactulose) powder is a laxative derived from lactose. It helps to treat chronic constipation. This drug is less popular than comparable drugs. There are currently no generic alternatives for Kristalose.
GoodRx has partnered with InsideRx and Cumberland Pharmaceuticals to reduce the price for this prescription. Check our savings tips for co-pay cards, assistance programs, and other ways to reduce your cost. Kristalose is covered by some Medicare and insurance plans.
Get Kristalose for as low as $107.97, which is 72% off the average retail price of $386.35 for the most common version, by using a GoodRx coupon.


| Dosage | Quantity | Retail price | GoodRx price |
|---|
| Dosage | Quantity | Retail price | GoodRx price |
|---|
| 30 packets of 10g | 1 carton | $376.91 | $104.49 |
| 30 packets of 20g | 1 carton | $389.77 | $107.97 |
| 10g | 30 packets | $376.91 | $104.49 |
| 20g | 30 packets | $389.77 | $107.97 |
GoodRx coupon prices last updated on 03/05/26.