Over-the-counter MiraLAX is the same formula and strength as the prescription version.

MiraLAX provides the benefits of a gentle laxative, while softening the stool. MiraLAX safely and effectively relieves constipation without causing cramps or excess gas.*


  • MiraLAX is a gentle osmotic agent. It relieves constipation by drawing water into the bowel from surrounding body tissues. This provides softer stools and increases the frequency of bowel movements
  • MiraLAX does not cause cramps or excess gas

  • One dose (measuring cap) of MiraLAX is 17 grams taken once per day and mixed into 4-8 ounces of liquid
  • MiraLAX dissolves easily and completely in everyday beverages like water, juice, soda, coffee, or tea