Polyethylene glycol 3350 powder for solution, laxative. 30 once-daily doses. Relieves occasional constipation. Softens stool. Gluten free. Compare to the active ingredient of MiraLax (This product is not manufactured or distributed by Schering-Plough HealthCare Products, Inc., distributor of MiraLax). Polyethylene Glycol 3350 increases frequency of bowel movements and softens the stool. Dissolves in any beverage.