Get gentle, predictable relief from constipation with MiraLAX Laxative Powder for Solution - 10 ct. (3-Pack). Dissolves easily in 4 to 8 oz. of liquid to help frequency of bowel movements and soften the stool, without any harsh side effects such as gas, bloating, cramping or urgency. Take your health to the next level with guaranteed HSA eligible Bundles.