9 Best laxative for constipation in Canada

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Last Updated - 2026/03/20

Best Choice

01
LAX-A-DAY

LAX-A-Day Powder Laxative - No Taste, No Grit, No Sugar - Clinically Proven Relief of Occasional Constipation (60 Doses, 1020g)

13% Off

9.3 Taste

9.3 worth the money
Main highlights

No sudden urgency: Lax-a-day powder is an osmotic laxative and works by increasing water retention in your stool, making it softer & easier to pass, and also increasing bowel frequency without causing contractions in the intestine.
Here’s what you get: Lax-a-day comes in four different bottle formats, with a convenient measuring cap: 7 doses (119 g), 14 doses (238 g), 30 doses (510 g), and a very unique and convenient 60 doses (1020 g). Choose according to your requirements!
Gentle on your taste buds: Unlike other laxatives on the market, LAX-A-Day is taste-free, sugar-free & grit-free, so it goes down easily. Simply dissolve it in any non-alcoholic beverage, stir it & drink it once a day. The lax a day powder is 100% soluble.
Effective relief: If occasional constipation is interrupting the flow of your daily lives, then incorporate our highly effective laxative powder in your daily routine to experience soothing relief against constipation & its many symptoms.
Clinically proven efficacy: Our powder laxative was formulated based on a high level of scientific evidence to provide gentle & clinically proven relief. No specific drug interactions. The laxative generally takes 2-4 days to work.
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9.6

Exceptional

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Value for Money

02
LAX-A-DAY

LAX-A-Day Powder Laxative - No Taste, No Grit, No Sugar - Clinically Proven Relief of Occasional Constipation (60 Doses, 1020g)

17% Off

9.3 Taste

9.3 worth the money
Main highlights

No sudden urgency: Lax-a-day powder is an osmotic laxative and works by increasing water retention in your stool, making it softer & easier to pass, and also increasing bowel frequency without causing contractions in the intestine.
Here’s what you get: Lax-a-day comes in four different bottle formats, with a convenient measuring cap: 7 doses (119 g), 14 doses (238 g), 30 doses (510 g), and a very unique and convenient 60 doses (1020 g). Choose according to your requirements!
Gentle on your taste buds: Unlike other laxatives on the market, LAX-A-Day is taste-free, sugar-free & grit-free, so it goes down easily. Simply dissolve it in any non-alcoholic beverage, stir it & drink it once a day. The lax a day powder is 100% soluble.
Effective relief: If occasional constipation is interrupting the flow of your daily lives, then incorporate our highly effective laxative powder in your daily routine to experience soothing relief against constipation & its many symptoms.
Clinically proven efficacy: Our powder laxative was formulated based on a high level of scientific evidence to provide gentle & clinically proven relief. No specific drug interactions. The laxative generally takes 2-4 days to work.
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9.3

Excellent

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03
Senokot

Senokot Extra Strength Laxative, 60 Count
Main highlights

Voted Most Trusted Laxative brand by Canadian Shoppers based on the 2020 BrandSpark Canadian Trust Study
Take Senokot before bed (or as required) for morning results
Recommended by doctors and been trusted for over 60 years
Made with natural Senna
Gentle overnight relief of occasional constipation
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9.1

Excellent

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04
Senokot

Senokot Extra Strength Laxative, 60 Count
Main highlights

Voted Most Trusted Laxative brand by Canadian Shoppers based on the 2020 BrandSpark Canadian Trust Study
Take Senokot before bed (or as required) for morning results
Recommended by doctors and been trusted for over 60 years
Made with natural Senna
Gentle overnight relief of occasional constipation
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8.9

Very Good

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05
Dulcolax

DulcoLax for Women, Bisacodyl 5mg Stimulant Laxatives for Occasional Constipation Relief, Laxative and Constipation Relief for Women, Including Those who are Breastfeeding, 20 Count
Main highlights

Works With Your Body - Laxative pills that effectively stimulate bowel muscles and helps retain water that can softens hard stools and aid in bowel movement; just one overnight laxative tablet will provide gentle relief in the morning
Reliable - DulcoLax has been trusted for occasional constipation relief for over 60 years; to ensure this product is right for you, always read and follow the label
Gentle Relief - This 20-count box of DulcoLax for Women, Bisacodyl 5mg laxatives is great to have on hand for occasional constipation relief for women that works in a predictable time frame of 6-12 hours
Constipation Relief for Adults and Kids - DulcoLax for Women can be used by adults, including new and breastfeeding mothers, and kids 12 years and older dealing with occasional constipation
Bisacodyl 5mg - DulcoLax coated laxative tablets deliver the active ingredient, bisacodyl, where it’s needed most to stimulate the bowel and help retain water, helping to soften and pass stool
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8.8

Very Good

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06
Dulcolax

DulcoLax for Women, Bisacodyl 5mg Stimulant Laxatives for Occasional Constipation Relief, Laxative and Constipation Relief for Women, Including Those who are Breastfeeding, 20 Count
Main highlights

Works With Your Body - Laxative pills that effectively stimulate bowel muscles and helps retain water that can softens hard stools and aid in bowel movement; just one overnight laxative tablet will provide gentle relief in the morning
Reliable - DulcoLax has been trusted for occasional constipation relief for over 60 years; to ensure this product is right for you, always read and follow the label
Gentle Relief - This 20-count box of DulcoLax for Women, Bisacodyl 5mg laxatives is great to have on hand for occasional constipation relief for women that works in a predictable time frame of 6-12 hours
Constipation Relief for Adults and Kids - DulcoLax for Women can be used by adults, including new and breastfeeding mothers, and kids 12 years and older dealing with occasional constipation
Bisacodyl 5mg - DulcoLax coated laxative tablets deliver the active ingredient, bisacodyl, where it’s needed most to stimulate the bowel and help retain water, helping to soften and pass stool
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8.7

Very Good

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07
RestoraLAX

RestoraLAX Powder Stool Softener Laxative - Laxatives For Constipation, Effective Constipation Relief For Adults, No Taste, No Grit, No Gas, No Bloat, No Cramps, No Sudden Urge, 45 Doses, 765 grams

9.3 Taste

9.1 worth the money
Main highlights

Restoring your body's natural rhythm - RestoraLAX is an osmotic laxative containing 100% polyethylene glycol 3350 powder that works with the water in your body to soften and hydrate stool, and increase frequency of bowel movements.
Improve your gut health - Try RestoraFIBRE daily prebiotic fiber supplements, with naturally sourced inulin, to help support a healthy digestive system and promote regularity.
Effective relief - RestoraLAX is a gentle laxative that provides effective relief from occasional constipation without causing bloating, gas, cramping and sudden urge.
Convenient & easy to use - RestoraLAX easily dissolves in any beverage, hot or cold, and is sugar free, gluten free, has no taste and no grit. Each bottle comes with a convenient single 17g dose measuring cap.
#1 Doctor recommended brand - RestoraLAX is the #1 laxative recommended by family doctors, pharmacists and gastroenterologists* and is certified by the Canadian Digestive Health Foundation.
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8.6

Very Good

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08
RestoraLAX

RestoraLAX Powder Stool Softener Laxative - Laxatives For Constipation, Effective Constipation Relief For Adults, No Taste, No Grit, No Gas, No Bloat, No Cramps, No Sudden Urge, 45 Doses, 765 grams

9.3 Taste

9.1 worth the money
Main highlights

Restoring your body's natural rhythm - RestoraLAX is an osmotic laxative containing 100% polyethylene glycol 3350 powder that works with the water in your body to soften and hydrate stool, and increase frequency of bowel movements.
Improve your gut health - Try RestoraFIBRE daily prebiotic fiber supplements, with naturally sourced inulin, to help support a healthy digestive system and promote regularity.
Effective relief - RestoraLAX is a gentle laxative that provides effective relief from occasional constipation without causing bloating, gas, cramping and sudden urge.
Convenient & easy to use - RestoraLAX easily dissolves in any beverage, hot or cold, and is sugar free, gluten free, has no taste and no grit. Each bottle comes with a convenient single 17g dose measuring cap.
#1 Doctor recommended brand - RestoraLAX is the #1 laxative recommended by family doctors, pharmacists and gastroenterologists* and is certified by the Canadian Digestive Health Foundation.
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8.5

Good

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09
Senokot

Senokot Natural Laxative, 100 Count
Main highlights

Voted Most Trusted Laxative brand by Canadian Shoppers based on the 2020 BrandSpark Canadian Trust Study
Take Senokot before bed (or as required) for morning results
Recommended by doctors and been trusted for over 60 years
Made with natural senna
Gentle overnight relief of occasional constipation
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8.4

Good

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