Sutab (sodium sulfate/potassium chloride/magnesium sulfate) is used to clean out the bowel before a colonscopy. Sutab is an osmotic laxative which works by absorbing water into the stool making bowel movements more frequent. Sutab is avalible as a carton of 24 tablets. There are currently no generic alternatives for Sutab. It is covered by some Medicare and insurance plans, but some pharmacy coupons or cash prices may be lower.

Get Sutab for as low as $136.17, which is 37% off the average retail price of $214.71 for the most common version, by using a GoodRx coupon.