Updated:March, 2026

10 Best Liquid Laxatives For Constipation of 2026

Best Choice

9.9

Outstanding

GenCare

GenCare - Senna Syrup Liquid Laxative (8 Fl Oz Bottle) All Natural Vegetable Sennosides Active Ingredient | Easy to Swallow Constipation Relief for Adults and Kids 12 and Older | Best Value Size

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Why We Love It

GENTLE RELIEF - Senna Syrup is a natural laxative and stool softener to help with constipation, bloating, upset stomach and irregularity. Take preferably at bedtime or as directed by a doctor, a single dose generally causes bowel movement within 6 to 12 hours.
SHAKE WELL - Liquid Senna Syrup contains all natural vegetable sennosides alcohol free and dye free in an easy to swallow drink liquid for adults and children ages 12 and older. Before use: shake bottle well to ensure proper mixing and consistency of laxative syrup.
POWERFUL OTC FORMULA - Sennosides are a plant based all natural laxative. Our OTC generic formula (compared to Senokot Tablets) works overnight to clear bowels and ease constipation. See the recommended usage chart for adults and children 12 and older.
FAMILY BOTTLE - Follow directions to dispense liquid at a starting dose of 2-3 teaspoonfuls into a small cup or drinking glass. Liquid Senna Syrup Laxative can fit in most medicine cabinets and/or pantries for your convenience. Shake well before use.
100% SATISFACTION GUARANTEE - We know you and your family will love the ultimate convenience of our Senna Syrup bottle. That's why we back up each tamper proof bottle with our 100% Satisfaction Guarantee. Join thousands of satisfied customers...Click Add-to-Cart Today!

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Why We Love It

GENTLE RELIEF - Senna Syrup is a natural laxative and stool softener to help with constipation, bloating, upset stomach and irregularity. Take preferably at bedtime or as directed by a doctor, a single dose generally causes bowel movement within 6 to 12 hours.
SHAKE WELL - Liquid Senna Syrup contains all natural vegetable sennosides alcohol free and dye free in an easy to swallow drink liquid for adults and children ages 12 and older. Before use: shake bottle well to ensure proper mixing and consistency of laxative syrup.
POWERFUL OTC FORMULA - Sennosides are a plant based all natural laxative. Our OTC generic formula (compared to Senokot Tablets) works overnight to clear bowels and ease constipation. See the recommended usage chart for adults and children 12 and older.
FAMILY BOTTLE - Follow directions to dispense liquid at a starting dose of 2-3 teaspoonfuls into a small cup or drinking glass. Liquid Senna Syrup Laxative can fit in most medicine cabinets and/or pantries for your convenience. Shake well before use.
100% SATISFACTION GUARANTEE - We know you and your family will love the ultimate convenience of our Senna Syrup bottle. That's why we back up each tamper proof bottle with our 100% Satisfaction Guarantee. Join thousands of satisfied customers...Click Add-to-Cart Today!

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Our experts then refine the results, blending AI insights with real user experiences to deliver accurate, up-to-date rankings that help you choose with confidence.

9.5

Excellent

Dulcolax

Dulcolax Saline Laxative Liquid, Fast & Gentle Constipation Relief, Natural Laxatives, Softens Stool, Cherry Flavor, Magnesium Hydroxide 1200 mg, 12 fl. oz.

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Main Highlights

Includes: One (1) 12-fluid-ounce bottle of Dulcolax cherry flavor saline laxative liquid
Works fast: This liquid laxative offers gentle relief from constipation in as little as 30 minutes to six hours
Stimulant free: The cherry-flavored liquid laxative works naturally with the water in your body
Convenient: Pack this liquid laxative in your travel essentials for reliable relief during stress or overindulgence
Trusted relief: Dulcolax has been providing safe constipation relief for over 70 years
Natural harmony: This cramp-free formula works with your body to hydrate stools and reduce discomfort

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Main Highlights

Includes: One (1) 12-fluid-ounce bottle of Dulcolax cherry flavor saline laxative liquid
Works fast: This liquid laxative offers gentle relief from constipation in as little as 30 minutes to six hours
Stimulant free: The cherry-flavored liquid laxative works naturally with the water in your body
Convenient: Pack this liquid laxative in your travel essentials for reliable relief during stress or overindulgence
Trusted relief: Dulcolax has been providing safe constipation relief for over 70 years
Natural harmony: This cramp-free formula works with your body to hydrate stools and reduce discomfort

9.5

Excellent

Phillips'

Phillips’ Milk of Magnesia Liquid Laxative, Wild Cherry Flavor, Stimulant Free, Cramp Free Relief of Occasional Constipation*, Effective in 30 minutes - 6 hours, #1 Milk of Magnesia Brand, 26 oz

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Main Highlights

GENTLE OVERNIGHT CONSTIPATION RELIEF: Phillips Milk of Magnesia Wild Cherry Flavor liquid laxative is a saline laxative that provides dependable, overnight relief of occasional constipation* so you can get back to regular
STIMULANT AND CRAMP FREE: Provides gentle, overnight relief of occasional constipation* with no harsh stimulants
STARTS WORKING IN ½ HOUR TO 6 HOURS: Generally produces a bowel movement in under 6 hours. It may be taken once a day, preferably at bedtime, in divided doses, or as directed by a doctor. Drink 8oz of liquid with each dose
#1 MILK OF MAGNESIA BRAND: Phillips has been a trusted name in digestive health for over 150 years
DEPENDABLE CONSTIPATION RELIEF FOR ADULTS AND CHILDREN AGES 6+: Recommended dose for adults and children 12 years and older: 30mL - 60mL. Children 6-11 year: 15mL - 30mL. Children under 6 years: ask a doctor

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Main Highlights

GENTLE OVERNIGHT CONSTIPATION RELIEF: Phillips Milk of Magnesia Wild Cherry Flavor liquid laxative is a saline laxative that provides dependable, overnight relief of occasional constipation* so you can get back to regular
STIMULANT AND CRAMP FREE: Provides gentle, overnight relief of occasional constipation* with no harsh stimulants
STARTS WORKING IN ½ HOUR TO 6 HOURS: Generally produces a bowel movement in under 6 hours. It may be taken once a day, preferably at bedtime, in divided doses, or as directed by a doctor. Drink 8oz of liquid with each dose
#1 MILK OF MAGNESIA BRAND: Phillips has been a trusted name in digestive health for over 150 years
DEPENDABLE CONSTIPATION RELIEF FOR ADULTS AND CHILDREN AGES 6+: Recommended dose for adults and children 12 years and older: 30mL - 60mL. Children 6-11 year: 15mL - 30mL. Children under 6 years: ask a doctor

9.2

Excellent

MAJOR

Major Magnesium Citrate Saline Laxative - Helps Relieve Occasional Constipation (Irregularity) - Lemon Flavor - 10 Fl. Oz. (1 Pack)

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Main Highlights

SALINE LAXATIVE: Major Magnesium Citrate Saline Laxative helps relieve occasional constipation (irregularity). It can generally produce a bowel movement in 0.5 to 6 hours.
ACTIVE INGREDIENT: Each fluid ounce contains 1.745 g of magnesium citrate, a saline laxative. Our laxative has an alcohol content of 0.025% (from flavoring).
HOW TO USE: Shake well before use. Drink a full glass (8 ounces) of liquid with each dose. It may be taken as a single daily dose or in divided doses.
QUALITY FORMULATION: We maintain high standards of care through strict regulatory compliance to deliver a carefully formulated, effective saline laxative.
MAJOR PHARMACEUTICALS: At Major Pharmaceuticals, we believe wellness should be accessible to everyone. We pride ourselves on our legacy of delivering quality OTC and vitamin supplements.

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Main Highlights

SALINE LAXATIVE: Major Magnesium Citrate Saline Laxative helps relieve occasional constipation (irregularity). It can generally produce a bowel movement in 0.5 to 6 hours.
ACTIVE INGREDIENT: Each fluid ounce contains 1.745 g of magnesium citrate, a saline laxative. Our laxative has an alcohol content of 0.025% (from flavoring).
HOW TO USE: Shake well before use. Drink a full glass (8 ounces) of liquid with each dose. It may be taken as a single daily dose or in divided doses.
QUALITY FORMULATION: We maintain high standards of care through strict regulatory compliance to deliver a carefully formulated, effective saline laxative.
MAJOR PHARMACEUTICALS: At Major Pharmaceuticals, we believe wellness should be accessible to everyone. We pride ourselves on our legacy of delivering quality OTC and vitamin supplements.

9.0

Excellent

Fleet

Fleet Liquid Glycerin Suppositories 4 Each

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Main Highlights

Provides fast relief for occasional constipation
Acts locally in the colon without having to go through the entire digestive system
Hyperosmotic laxative attracts water into the stool and promotes bowel movement

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Main Highlights

Provides fast relief for occasional constipation
Acts locally in the colon without having to go through the entire digestive system
Hyperosmotic laxative attracts water into the stool and promotes bowel movement

8.8

Very Good

MedRite

MedRite Magnesium Citrate, Oral Solution, Natural Lemon Flavor - Laxatives for Constipation Fast Acting. Laxatives for Constipation, Stool Softeners, Citrato de Magnesio (1) (10 Fl Oz (Pack of 1)

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Main Highlights

Magnesium Citrate, Oral Solution, Natural Lemon Flavor - Laxatives for Constipation Fast Acting. Laxatives for Constipation, Stool Softeners, Citrato de Magnesio, Magnesium for Constipation Magnesio, Magnesium for Constipation
Fast-Acting Constipation Relief Magnesium citrate liquid laxative provides quick relief for occasional constipation by drawing water into the intestines, softening stools, and promoting natural bowel movements. Ideal for those looking for a fast-acting laxative that works within hours.
Gentle & Effective Stool Softener Unlike harsh stimulant laxatives, this natural laxative works gently to support digestive health. It's a great alternative to milk of magnesia, sodium citrate, and other laxatives for constipation fast acting.
Great for Colon Cleansing & Medical Prep Commonly used as a colonoscopy prep drink, this liquid magnesium citrate effectively cleanses the digestive system, making it a trusted choice for colon cleansing before medical procedures.
Natural Lemon Flavor & Easy to Use This magnesium citrate supplement comes in a refreshing natural lemon flavor, making it easier to consume than citrato de magnesio en polvo or other bitter-tasting laxatives. Simply drink and follow with plenty of fluids for best results.
Non-Habit Forming & Doctor-Recommended Formulated for occasional constipation relief, this best magnesium for pooping is non-habit forming, meaning it works naturally without dependency concerns. Safe and effective for adults seeking constipation relief and digestive support.
Fast-Acting Colon Cleanse & Constipation Relief This powerful liquid laxative provides constipation relief for women and men, promoting a gentle yet effective colon cleanse. Formulated as one of the best laxatives for constipation fast acting, it helps flush waste quickly, making it a trusted choice for those seeking reliable laxatives for constipation and overall digestive support.

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Main Highlights

Magnesium Citrate, Oral Solution, Natural Lemon Flavor - Laxatives for Constipation Fast Acting. Laxatives for Constipation, Stool Softeners, Citrato de Magnesio, Magnesium for Constipation Magnesio, Magnesium for Constipation
Fast-Acting Constipation Relief Magnesium citrate liquid laxative provides quick relief for occasional constipation by drawing water into the intestines, softening stools, and promoting natural bowel movements. Ideal for those looking for a fast-acting laxative that works within hours.
Gentle & Effective Stool Softener Unlike harsh stimulant laxatives, this natural laxative works gently to support digestive health. It's a great alternative to milk of magnesia, sodium citrate, and other laxatives for constipation fast acting.
Great for Colon Cleansing & Medical Prep Commonly used as a colonoscopy prep drink, this liquid magnesium citrate effectively cleanses the digestive system, making it a trusted choice for colon cleansing before medical procedures.
Natural Lemon Flavor & Easy to Use This magnesium citrate supplement comes in a refreshing natural lemon flavor, making it easier to consume than citrato de magnesio en polvo or other bitter-tasting laxatives. Simply drink and follow with plenty of fluids for best results.
Non-Habit Forming & Doctor-Recommended Formulated for occasional constipation relief, this best magnesium for pooping is non-habit forming, meaning it works naturally without dependency concerns. Safe and effective for adults seeking constipation relief and digestive support.
Fast-Acting Colon Cleanse & Constipation Relief This powerful liquid laxative provides constipation relief for women and men, promoting a gentle yet effective colon cleanse. Formulated as one of the best laxatives for constipation fast acting, it helps flush waste quickly, making it a trusted choice for those seeking reliable laxatives for constipation and overall digestive support.

8.6

Very Good

Dulcolax

Dulcolax Stimulant Laxative Liquid Gels, Predictable & Effective Constipation Relief, Relieves Constipation Related Symptoms, Bisacodyl 5 mg, No Added Parabens, Gluten-Free & Sugar-Free, 20-Count

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Main Highlights

INCLUDES: One (1) 20-count pack of Dulcolax Stimulant Laxative Liquid Gels for Effective & Satisfying* Constipation Relief
WORKS FAST: For satisfying* constipation relief in as little as 6 hours**, start with just one tablet for adult men and women and kids ages 6+
REACTIVATES YOUR NATURAL GUT RHYTHM when taken at night for predictable constipation relief
NON-HABIT FORMING: When used as directed
EFFECTIVE ACTIVE INGREDIENT: Dulcolax liquid filled capsules are made with bisacodyl which relieves constipation and its related symptoms: bloating, straining, and painful stools***
INNOVATIVE LIQUID CORE TECHNOLOGY : Dulcolax Liquid Gels have a liquid core that works where its needed for effective relief
FREE FROM: Gluten, Sugar and Added Parabens
DOCTOR RECOMMENDED: Dulcolax is the No. 1 doctor recommended brand among OTC stimulant laxative brands

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Main Highlights

INCLUDES: One (1) 20-count pack of Dulcolax Stimulant Laxative Liquid Gels for Effective & Satisfying* Constipation Relief
WORKS FAST: For satisfying* constipation relief in as little as 6 hours**, start with just one tablet for adult men and women and kids ages 6+
REACTIVATES YOUR NATURAL GUT RHYTHM when taken at night for predictable constipation relief
NON-HABIT FORMING: When used as directed
EFFECTIVE ACTIVE INGREDIENT: Dulcolax liquid filled capsules are made with bisacodyl which relieves constipation and its related symptoms: bloating, straining, and painful stools***
INNOVATIVE LIQUID CORE TECHNOLOGY : Dulcolax Liquid Gels have a liquid core that works where its needed for effective relief
FREE FROM: Gluten, Sugar and Added Parabens
DOCTOR RECOMMENDED: Dulcolax is the No. 1 doctor recommended brand among OTC stimulant laxative brands

8.3

Very Good

Quality Choice

Quality Choice Magnesium Citrate Oral Solution, 10oz - Lemon Flavored Saline Laxative, Supplement for Occasional Constipation Relief, Mag Citrate is a Gentle and Effective Laxative for Regularity

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Main Highlights

Magnesium Citrate liquid Solution: Our pleasant and palatable Lemon Flavored Magnesium Citrate Oral Solution acts as a saline laxative, providing relief from occasional constipation within as little as 30 minutes.
Formulated with magnesium citrate as its active ingredient, this solution works by drawing water into the intestines, softening stool and facilitating bowel movements. Often taken for constipation relief or prior to colon related procedures.
Whether you're preparing for a procedure or seeking relief from occasional constipation, trust Quality Choice Magnesium Citrate Oral Solution to deliver the results you need in a refreshing lemon flavor.
Conveniently packaged in a 10 ounce bottle, this solution is easy to administer and ensures you're always prepared when relief is needed. May be taken in single or divided doses for your convenience.
Quality choice Lemon Flavored Magnesium Citrate Liquid Saline Laxatives for constipation compares to other Brands as each fluid ounce contains 290mg of Magnesium, and 1mg of sodium.

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Main Highlights

Magnesium Citrate liquid Solution: Our pleasant and palatable Lemon Flavored Magnesium Citrate Oral Solution acts as a saline laxative, providing relief from occasional constipation within as little as 30 minutes.
Formulated with magnesium citrate as its active ingredient, this solution works by drawing water into the intestines, softening stool and facilitating bowel movements. Often taken for constipation relief or prior to colon related procedures.
Whether you're preparing for a procedure or seeking relief from occasional constipation, trust Quality Choice Magnesium Citrate Oral Solution to deliver the results you need in a refreshing lemon flavor.
Conveniently packaged in a 10 ounce bottle, this solution is easy to administer and ensures you're always prepared when relief is needed. May be taken in single or divided doses for your convenience.
Quality choice Lemon Flavored Magnesium Citrate Liquid Saline Laxatives for constipation compares to other Brands as each fluid ounce contains 290mg of Magnesium, and 1mg of sodium.

8.1

Very Good

MAJOR

Major Magnesium Citrate Saline Laxative - Helps Relieve Occasional Constipation (Irregularity) - Lemon Flavor - 10 Fl. Oz. (3 Pack)

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Main Highlights

SALINE LAXATIVE: Major Magnesium Citrate Saline Laxative helps relieve occasional constipation (irregularity). It can generally produce a bowel movement in 0.5 to 6 hours.
ACTIVE INGREDIENT: Each fluid ounce contains 1.745 g of magnesium citrate, a saline laxative. Our laxative has an alcohol content of 0.025% (from flavoring).
HOW TO USE: Shake well before use. Drink a full glass (8 ounces) of liquid with each dose. It may be taken as a single daily dose or in divided doses.
QUALITY FORMULATION: We maintain high standards of care through strict regulatory compliance to deliver a carefully formulated, effective saline laxative.
MAJOR PHARMACEUTICALS: At Major Pharmaceuticals, we believe wellness should be accessible to everyone. We pride ourselves on our legacy of delivering quality OTC and vitamin supplements.

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Main Highlights

SALINE LAXATIVE: Major Magnesium Citrate Saline Laxative helps relieve occasional constipation (irregularity). It can generally produce a bowel movement in 0.5 to 6 hours.
ACTIVE INGREDIENT: Each fluid ounce contains 1.745 g of magnesium citrate, a saline laxative. Our laxative has an alcohol content of 0.025% (from flavoring).
HOW TO USE: Shake well before use. Drink a full glass (8 ounces) of liquid with each dose. It may be taken as a single daily dose or in divided doses.
QUALITY FORMULATION: We maintain high standards of care through strict regulatory compliance to deliver a carefully formulated, effective saline laxative.
MAJOR PHARMACEUTICALS: At Major Pharmaceuticals, we believe wellness should be accessible to everyone. We pride ourselves on our legacy of delivering quality OTC and vitamin supplements.

8.1

Very Good

LLORENS PHARMACEUTICAL

Senna Liquid Sennosides Senna Laxative by Llorens Care 8.8 mg. 5 mL. Made from Natural Sennosides. Liquid Laxative Alleviate Constipation & Provide Relief. Senna Syrup

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Main Highlights

Experience Gentle Relief - from constipation and bowel irregularity. Our sennosides 8.6mg, herbal extraction of natural Senna plants supports your bowel movement and digestive health.
Best Results - For the best results of the colon stimulus and overnight relief, take before bedtime. You will love the brand new You the next day -- free from feeling constipated, bloated, discomforted, or exhausted. Great constipation relief for adults.
Quick and Effective, Great for Cleansing - Our natural vegetable laxative is formulated to cleanse out your intestinal tract of excess waste. By cleansing your colon and eliminating toxins, you might get a slimmer waistline and a flatter stomach.
Quality & Satisfaction Guaranteed - If you are anything less than happy with our products, you can return them for a full refund. No questions asked. Authentic certificates of analysis are issued at each batch level by qualified scientists and quality control specialists so that you can feel safe and confident each time you order from us.
Made in USA - All LlorensCare products are made in the USA in a facility that regularly undergoes extensive and strict quality control audits.

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Main Highlights

Experience Gentle Relief - from constipation and bowel irregularity. Our sennosides 8.6mg, herbal extraction of natural Senna plants supports your bowel movement and digestive health.
Best Results - For the best results of the colon stimulus and overnight relief, take before bedtime. You will love the brand new You the next day -- free from feeling constipated, bloated, discomforted, or exhausted. Great constipation relief for adults.
Quick and Effective, Great for Cleansing - Our natural vegetable laxative is formulated to cleanse out your intestinal tract of excess waste. By cleansing your colon and eliminating toxins, you might get a slimmer waistline and a flatter stomach.
Quality & Satisfaction Guaranteed - If you are anything less than happy with our products, you can return them for a full refund. No questions asked. Authentic certificates of analysis are issued at each batch level by qualified scientists and quality control specialists so that you can feel safe and confident each time you order from us.
Made in USA - All LlorensCare products are made in the USA in a facility that regularly undergoes extensive and strict quality control audits.

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