Different MiraLAX® sizes for different needs. MiraLAX laxative comes in four sizes to suit your needs. 7, 14, 30, and 45 dose bottles each have a convenient single 17g dose measuring cap. And MiraLAX also comes in a pack of 10 pre-measured, single-dose packets, so you can take MiraLAX with you anytime, anywhere. MiraLAX is gluten and sugar free. It easily dissolves completely in four to eight ounces of water, fruit juice, or any other beverage. There's no taste, no grit - just gentle, predictable relief from constipation with no harsh side effects: No bloating No sudden urgency No cramping No gas Gender: Unisex.