Born2Gamer – https://born2gamer.com/how-long-does-it-take-for-miralax-to-work/

How Long Does It Take for Miralax to Work? – Miralax, a laxative, usually takes 1 to 3 days to produce bowel movements. It softens stools by drawing water into the colon. Drink plenty of water and follow your doctor’s advice for best results.