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Laxatives For Constipation Comparison - June 2025
Overview: There are many types of laxatives available to treat constipation. The best laxative for you may depend on the severity of your constipation and your preference. This page compares some of the most popular laxatives for constipation, including their pros and cons.
Amazon Basic Care ClearLax Polyethylene Glycol 3350 Powder for Solution, Osmotic Laxative, Relieves Occasional Constipation, Unflavored, 1.68 pound (Pack of 1)
Model
MiraLAX Gentle Constipation Relief Laxative Powder, Stool Softener with PEG 3350, Works Naturally with Water in Your Body, No Harsh Side Effects, Osmotic Laxative, 45 Dose
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Ex-Lax Maximum Strength Stimulant Laxative Constipation Relief Pills for Occasional Constipation, Gentle Laxatives - 24 Count
MiraFAST Soft Chews, from The Makers of MiraLAX, Gentle Constipation Relief in 30min-6hrs, Fast Acting Laxative, Stimulant Free Saline Laxative, Magnesium Hydroxide, Mixed Berry Flavor, 60ct
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Timely Laxative Bisacodyl 5mg Tablets - Stimulant Laxatives for Constipation Fast Acting & Gentle - Overnight Constipation Relief for Adults - Compare to Active Ingredients in Dulcolax - 100 Tablets
Here are the top 3 recommended products with more information to help you find the right product for you
9.7
1
Amazon Basic Care
Amazon Basic Care ClearLax Polyethylene Glycol 3350 Powder for Solution, Osmotic Laxative, Relieves Occasional Constipation, Unflavored, 1.68 pound (Pack of 1)
9.8Simple to use
9.4worth the money
9.4Flavor
Why we love it
Effective constipation relief in 1-3 days.
Mixes easily with any beverage.
Doctor-recommended active ingredient.
Main highlights
UNFLAVORED POWDER: Unflavored laxative powder dissolves in any beverage; grit free, sugar free and gluten free; for adults and children 17 years of age and older
SOFTENS THE STOOL: This laxative increases frequency of bowel movements and softens the stool
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)
CONSTIPATION RELIEF: Relieves occasional constipation/irregularity; generally produces a bowel movement in 1 to 3 days
ACTIVE INGREDIENT: The active ingredient of this osmotic laxative is Polyethylene Glycol 3350; compare to MiraLAX active ingredient
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9.6
2
MiraLAX
MiraLAX Gentle Constipation Relief Laxative Powder, Stool Softener with PEG 3350, Works Naturally with Water in Your Body, No Harsh Side Effects, Osmotic Laxative, 45 Dose
9.6Simple to use
9.4Flavor
9.4simple to consume
Why we love it
Gentle on the digestive system.
Versatile mixing with various foods.
Cost-effective in larger sizes.
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 immediately
NO HARSH SIDE EFFECTS: MiraLAX helps relieve your occasional constipation without causing gas, bloating, cramping, or sudden urgency
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
#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
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9.3
3
Ex-Lax
30% Off
Ex-Lax Maximum Strength Stimulant Laxative Constipation Relief Pills for Occasional Constipation, Gentle Laxatives - 24 Count
9.8simple to consume
9.4worth the money
9.3Flavor
Why we love it
Dependable overnight relief.
Easy to use, no mess.
Quick results in 6-12 hours.
Main highlights
Overnight laxative that typically produces results in as little as 6 to 12 hours
One 24 count box of ex-lax Maximum Strength Stimulant Laxative Pills for Relief of Occasional Constipation, Gentle Laxatives
Maximum strength sennosides 25mg laxative tablets
Gentle laxative tablets formulated for dependable overnight constipation treatment
Constipation relief tablet is easy to dose with no mixing and no mess
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Our ranking system
At BestChoice.com, our team curates a selection of top products from a vast array available online, using a sophisticated ranking system based on carefully defined criteria. While traditional hands-on testing has its merits, our use of AI technology offers distinct advantages. AI allows us to process and analyze vast amounts of data from multiple sources, providing a comprehensive view that goes beyond what manual testing can achieve. This approach enables us to deliver insights that are aligned with current trends and consumer preferences, ensuring our reviews are both relevant and up-to-date.
Features
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9.4 
9.7
1Amazon Basic Care
Effective constipation relief in 1-3 days.
