stimulant laxatives forcefully stimulate i switched to stimulant-free miralax for my constipation. the nerves in your colon. miralax is different. it works with the water in your body to hydrate and soften, unblocking your system naturally. and miralax doesn't cause bloating, cramping, gas, or sudden urgency. to enjoy the things i love, i choose #1 doctor-recommended miralax. miralax. look for the pink cap.