10 Best Miralax Colonoscopy Prep of 2025

Tested and Reviewed: Top 10 Miralax Colonoscopy Prep deals with expert ratings from 8.1 to a perfect 10

May 2026 Edition

Editor's Choice

9.7

MiraLAX

MiraLAX Laxative Powder, Gentle Constipation Relief for Adults, Stool Softener with PEG 3350, Nonstimulant Laxative, No Harsh Side Effects, Includes Stirrer, 14 Dose

Editor's bottom line:

“This miralax colonoscopy prep is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Works naturally with the water in your body: Hydrates, softens, and eases your stool providing gentle and effective occasional constipation relief for women and men
Nonstimulant laxative: A gentle laxative for women and men with no harsh side effects, unblock your system without bloating, cramping, or sudden urgencies
#1 doctor-recommended OTC laxative: Recommended by physicians, gastroenterologists, and pharmacists for safe and effective constipation relief for adults
Convenient stirrers: Includes stirrers for effortless mixing, just fill cap to indicated line, mix, and drink in any hot or cold beverage. MiraLAX Laxative will provide relief in 1-3 days
Unflavored, grit-free powder: Dissolves completely in any hot or cold drink for a simple, stress-free experience
Free from: Sugar, preservatives, and gluten, a reliable stool softener choice

Show Price

Picked by 397 people today

9.5

MiraLAX

MiraLAX Laxative Powder, Gentle Constipation Relief for Adults, Stool Softener with PEG 3350, Nonstimulant Laxative, No Harsh Side Effects, Osmotic Laxative, 45 Dose

Main Highlights

Works naturally with the water in your body: MiraLAX laxative powder gently unblocks your system by hydrating and softening your stool for occasional constipation relief
No harsh side effects: A laxative for constipation that doesn't cause gas, bloating, cramping, or sudden urgency
Nonstimulant: Cramp-free constipation relief for women and men that wont disrupt your day; works naturally with the water in your body
#1 doctor-recommended OTC laxative: Recommended by physicians, gastroenterologists, and pharmacists for safe and effective constipation relief for adults
Unflavored, grit-free powder: Dissolves completely in any hot or cold beverage for a simple, stress-free experience
Free from sugar, preservatives, and gluten: Dependable and gentle laxative for women and men

Show Price

9.5

MiraLAX

MiraLAX Gentle Constipation Relief Laxative Powder, Stool Softener with PEG 3350, No Harsh Side Effects, Single Dose Mix-In Pax with Mixing Stirrers, Travel Pack, 10 Dose

Main Highlights

UNBLOCK YOUR SYSTEM: An osmotic laxative, MiraLAX works naturally with the water in your body to hydrate, soften, and ease stool through your colon in 1-3 days, whereas stimulant laxatives stimulate the nerves to move stool through the colon immediately
NO HARSH SIDE EFFECTS: MiraLAX helps relieve your occasional constipation without causing gas, bloating, cramping, or sudden urgency
#1 PHYSICIAN RECOMMENDED: Since going on the market as an OTC laxative in 2007, MiraLAX has been the #1 Physician Recommended OTC brand of laxative
HOW TO USE: Pour one packet of powder into 4 to 8 ounces of hot or cold beverage. Mix until the powder is fully dissolved, then drink. Plus, MiraLAX has no added taste or grit. MiraLAX generally produces a bowel movement in 1-3 days.
FREE FROM: Gluten, sugar, and preservatives

Show Price

9.2

MiraLAX

MiraLAX Laxative Powder, Gentle Constipation Relief, PEG 3350, Physician Recommended, No Harsh Side Effects, 14 Dose

Main Highlights

UNBLOCK YOUR SYSTEM: MiraLAX, an osmotic laxative, works naturally with the water in your body to hydrate, soften, and ease stool through your colon in 1-3 days. Other stimulant laxatives stimulate the nerves to move stool through the colon
NO HARSH SIDE EFFECTS: MiraLAX helps relieve your occasional constipation without causing gas, bloating, cramping, or sudden urgency
#1 PHYSICIAN RECOMMENDED: Since going on the market as an OTC laxative in 2007, MiraLAX has been the #1 Physician Recommended OTC brand of laxative
HOW TO USE: Fill bottle cap to the indicated line (white section in cap) and pour into 4 to 8 ounces of hot or cold beverage. Mix until the powder is fully dissolved and drink. MiraLAX has no added taste or grit
FREE FROM: Gluten, sugar, and preservatives

Show Price

9.0

Dulcolax

Dulcolax Stimulant Laxative Tablets, Predictable & Effective Constipation Relief, Relieves Straining & Bloating, Bisacodyl 5 mg, 10 Count

Main Highlights

Includes: One (1) 10-count box of Dulcolax stimulant laxative comfort-coated tablets
Dependable constipation relief: Dulcolax tablets reactivate your natural gut rhythm* for effective morning constipation relief
Works fast: Dulcolax provides constipation relief in as little as six to 12 hours, starting with just one tablet
Effective active ingredient: Dulcolax stimulant laxative tablets are made with bisacodyl, which helps increase movement in the intestines
On-the-go relief: Pack these overnight laxative pills in your travel essentials to help you get back to being regular when stress and overindulgence slow you down
Doctor recommended: Dulcolax is the No. 1 doctor-recommended brand among OTC stimulant laxative brands
Predictable relief: Provides predictable relief of hard, dry stools caused by occasional constipation and irregularity

Show Price

8.8

Dulcolax

Dulcolax Stimulant Laxative Tablets, Predictable & Effective Constipation Relief, Relieves Straining & Bloating, Bisacodyl 5 mg, 100 Count

Main Highlights

INCLUDES: One (1) 100-count box of Dulcolax stimulant laxative comfort-coated tablets
DEPENDABLE CONSTIPATION RELIEF: Dulcolax tablets reactivate your natural gut rhythm for effective morning constipation relief
WORKS FAST: Dulcolax provides constipation relief in as little as six to 12 hours, starting with just one tablet
EFFECTIVE ACTIVE INGREDIENT Dulcolax stimulant laxative tablets are made with bisacodyl, which helps increase movement in the intestines
ON-THE-GO RELIEF: Pack these overnight laxative pills in your travel essentials to help you get back to being regular when stress and overindulgence slow you down
DOCTOR RECOMMENDED: Dulcolax is the doctor-recommended brand among OTC stimulant laxative brands
PREDICTABLE RELIEF: Provides predictable relief of hard, dry stools caused by occasional constipation and irregularity

Show Price

8.6

Dulcolax

Dulcolax Stimulant Laxative Tablets, Predictable & Effective Constipation Relief, Relieves Straining & Bloating, Bisacodyl 5 mg, 50 Count

Main Highlights

Includes: One (1) 50-count box of Dulcolax stimulant laxative comfort-coated tablets
Dependable constipation relief: Dulcolax tablets reactivate your natural gut rhythm* for effective morning constipation relief
Works fast: Dulcolax provides constipation relief in as little as six to 12 hours, starting with just one tablet
Effective active ingredient: Dulcolax stimulant laxative tablets are made with bisacodyl, which helps increase movement in the intestines
On-the-go relief: Pack these overnight laxative pills in your travel essentials to help you get back to being regular when stress and overindulgence slow you down
Doctor recommended: Dulcolax is the No. 1 doctor-recommended brand among OTC stimulant laxative brands
Predictable relief: Provides predictable relief of hard, dry stools caused by occasional constipation and irregularity

Show Price

8.3

MiraLAX

MiraGUT Daily Probiotic, from the Makers of MiraLAX, Probiotics for Digestive Health, Gluten-Free Supplement, Probiotic for Women and Men, Support Overall Digestive Health, 30 Ct

Main Highlights

Gut Products From Your Gut Experts: From the makers of MiraLAX, MiraGUT probiotics is a 30-day supply to help support digestive health and replenish the good bacteria in your gut*
Daily Probiotics for Digestive Health: MiraGUT helps support overall digestive health and helps promote regularity with BB-12, LGG, and LA-5*
MiraGUT Probiotic Formula: With BB-12, LGG, and LA-5, MiraGUT probiotics for women and men helps support your guts natural balance*
Consistency is Key: Take daily. This gluten-free probiotic supplement requires no refrigeration, and one capsule a day helps support your guts natural balance*
Supports Gut Balance*: Made with 3 clinically studied probiotic strains, B. animalis subsp. Lactis(BB-12), L. rhamnosus GG(LGG), L. acidophilus(LA-5), it helps replenish your bodys good bacteria to support a more balanced gut*

Show Price

8.1

Amazon Basic Care

Amazon Basic Care ClearLax, Laxative Powder for Gentle Constipation Relief, Softens Stool, Polyethylene Glycol 3350, Orange Flavor, 1.68 pound (Pack of 1)

Main Highlights

ACTIVE INGREDIENT: The active ingredient of this osmotic laxative is Polyethylene Glycol 3350; compare to the active ingredient of MiraLAX
CONSTIPATION RELIEF: Relieves occasional constipation/irregularity; generally produces a bowel movement in 1 to 3 days
DOCTOR RECOMMENDED ACTIVE INGREDIENT: Polyethylene Glycol 3350 is the Number One Doctor Recommended Laxative Active Ingredient (of U.S. physicians surveyed by an independent market research firm, excluding Therapeutic Fiber and Stool Softeners)
SOFTENS THE STOOL: This laxative increases frequency of bowel movements and softens the stool
ORANGE FLAVORED POWDER: Orange flavored laxative powder dissolves in any beverage; grit, sugar, gluten and dye free; for adults and children 17 years of age and older

Show Price

8.1

Generic

Colonoscopy Prep Kit with 32oz and 64oz Mixer Bottles, Drink and Laxative Preparation Set

Main Highlights

Complete Prep Kit: Includes both 32oz and 64oz mixer bottles designed specifically for colonoscopy preparation, providing the right sizes for mixing and consuming prescribed laxative solutions
Dual Bottle System: Features one bottle size to accommodate different stages of the prep process, making it easier to measure, mix, and drink the required amounts throughout your preparation
Wide-Mouth Design: Both bottles feature wide openings for easy mixing of powder laxatives and cleaning, with secure screw-on lids to prevent spills during preparation
Clear Measurement Markings: Bottles include visible volume indicators to help you accurately measure and track your fluid intake during the colonoscopy prep process
Convenient and Reusable: Durable construction allows for easy cleaning and reuse, while the portable design lets you prepare solutions at home and transport them as needed

Show Price

Our Best Overall Choice

Best Choice

9.7

MiraLAX

MiraLAX Laxative Powder, Gentle Constipation Relief for Adults, Stool Softener with PEG 3350, Nonstimulant Laxative, No Harsh Side Effects, Includes Stirrer, 14 Dose

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Works naturally with the water in your body: Hydrates, softens, and eases your stool providing gentle and effective occasional constipation relief for women and men
Nonstimulant laxative: A gentle laxative for women and men with no harsh side effects, unblock your system without bloating, cramping, or sudden urgencies
#1 doctor-recommended OTC laxative: Recommended by physicians, gastroenterologists, and pharmacists for safe and effective constipation relief for adults
Convenient stirrers: Includes stirrers for effortless mixing, just fill cap to indicated line, mix, and drink in any hot or cold beverage. MiraLAX Laxative will provide relief in 1-3 days
Unflavored, grit-free powder: Dissolves completely in any hot or cold drink for a simple, stress-free experience
Free from: Sugar, preservatives, and gluten, a reliable stool softener choice

Show Price

Deals are Live

Special Amazon deal ends in: