Geri-Care Laxative Powder relieves occasional constipation (irregularity), softens the stool and works as a laxative. The product is sugar free for those with dietary restrictions and can be compare to the active ingredient in Miralax. Polyethylene glycol 3350 increases the frequency of bowel movements and softens the stool. This product also dissolves in any beverage for your convenience. Generally Geri-Care Laxative Powder helps produce a bowel movement in 1 to 3 days. Do not take more than directed unless advised by your doctor.