10 Best acid reducers in Canada

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Last Updated - 2025/09/16

Best Choice

01
Bio-Active Products, Inc.

Bio-Active BA-CAR-16 Non Polluting 100-Percent Cyanuric Acid Reducer Powder for Commercial and Residential Swimming Pools, 16 Ounces
Main highlights

Suitable for outdoor commercial and residential swimming pools with a 50,000-gallon water capacity
Reduces acid levels by disintegrating it at a molecular level and causes no adverse effects on pool
Non-polluting, and leaves no residue with a mildly sweet and earthy odor feature
Natural cyanuric acid reducer powder reduces acid levels by up to 50 percent
Helps eliminate chlorine lock due to high cyanuric acid levels and allows sanitizers to be more effective
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9.8

Exceptional

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02
Pepcid

Pepcid AC Maximum Strength Heartburn Relief Tablets, OTC Medicine Prevents & Relieves Heartburn Due to Acid Indigestion & Sour Stomach, 20mg Famotidine Acid Reducer, Fast-Acting, 1 x 50 ct

12% Off Free Shipping
Main highlights

This maximum strength acid reducer medicine can be taken as early as 60 minutes prior to eating, or in as little as 10 minutes before consuming food and beverages that contribute to heartburn
Pack of 50 individually wrapped tablets of Maximum Strength Pepcid AC All-Day Heartburn Relief Tablets with famotidine, for the prevention and relief of heartburn due to acid indigestion and sour stomach
Keep this dispenser package of acid indigestion tablets at home and in the office to relieve heartburn whenever it strikes. Adults & children 12+, swallow one tablet with a glass of water; do not chew. Do not take more than two tablets in 24 hours
Just 1 tablet of the maximum strength heartburn medicine controls acid all day or all night (based on 9-hour acid control studies during the day and 12-hour acid control studies during the night. Acid control does not imply symptom relief)
Each over-the-counter heartburn relief tablet is specially formulated with 20 milligrams of famotidine, a known acid reducer and controller for maximum strength aid in the relief and prevention of acid indigestion
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9.7

Exceptional

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03
Nexium

Nexuim 24h

Free Shipping
Main highlights

24HR Acid Reducer Heartburn Relief Capsules
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9.6

Exceptional

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04
Gaviscon

Gaviscon Extra Strength Tablets - 60 Count - Chewable Foaming Antacid Tablets for Day and Night Heartburn Relief, Acid Reflux and GERD Relief, Fruit Blend - Free of Aluminum, Lactose and Gluten

Free Shipping
Main highlights

Stop heartburn and acid reflux at the source: Gaviscon antacid products create a foaming protective barrier that blocks stomach acid from entering the esophagus while neutralizing existing stomach acid
Safe for daily use: Chew 2-4 tablets when symptoms occur or take as directed by your doctor; Safe for daily use up to a maximum dosage of 16 tablets per day
Managing heartburn: In addition to taking Gaviscon for immediate upset stomach relief, you can help manage your heartburn by avoiding acidic foods, eating smaller meals, elevating your body while you sleep, and more; Consult your doctor to see which methods work best for you
Fast-acting, long-lasting heartburn relief: Doctor-recommended Gaviscon Extra Strength Tablets begin working immediately, providing long lasting heartburn relief in minutes that lasts for hours; Feel Gaviscon's foaming action start to work as soon as you take
Effective active ingredients: This strength of Gaviscon foaming tablets contains 313mg of alginic acid and 63mg of magnesium carbonate, formulated to block and neutralize your acid reflux and provide you with immediate GERD relief
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9.3

Excellent

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Value for Money

05
Pepcid

Pepcid AC Original Strength Acid Reducer Tablets, 30 Count by Pepcid

18% Off Free Shipping
Main highlights

Pepcid AC Original Strength Acid Reducer Tablets, 30 Count
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9.1

Excellent

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06
HealthCareAisle

HealthCareAisle Omeprazole and Sodium Bicarbonate Powder for Oral Suspension, 20 mg/1,680 mg - 14 Packets - Acid Reducer - Effective Acid Reflux Medicine, Treats Frequent Heartburn

13% Off
Main highlights

Heartburn relief: Take one packet daily to treat heartburn & acid reflux
Effective heartburn medicine: Omeprazole and Sodium Bicarbonate Powder is an acid reducer that treats frequent heartburn (occurring 2 or more days a week)
Do not take for more than 14 days or more often than every 4 months unless directed by a doctor
14-Day treatment: Use as directed for 14 days to treat frequent heartburn
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9.0

Excellent

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07
Lavrebu

ENO Antacid Effervescing Powder for Heartburn and Acid Indigestion Relief, Upset Stomach Relief, 200g

44% Off Free Shipping

8.7 Taste

8.4 worth the money
Main highlights

HEARTBURN AND INDIGESTION: ENO antacid goes to work fast, providing soothing relief from an upset stomach, discomfort after meals, acid indigestion, heartburn, and stomach upset due to excess stomach acid.
EASILY DISSOLVES: Easy to use, simply dissolve one teaspoon of powder (~5mL) in a glass of water (~ 180ml), and drink.
ANTACID: Combat the symptoms of heartburn and indigestion, with ENO Antacid Effervescing Powder — the fizz that fights fast.
ACID REDUCER: Gentle on the stomach, ENO powder dissolves quickly to create an effervescent solution that neutralizes stomach acid on contact.
200g BOTTLE: This package includes one 200g bottle of ENO Antacid Effervescing Powder.
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8.8

Very Good

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08
ALKA-SELTZER

Alka-Seltzer Antacid Heartburn Relief Effervescent Tablets - Extra Strength Tablets For Heartburn, Acidity, Upset Stomach, Sodium Bicarbonate And Citric Acid, 24 Effervescent Tablets

11% Off Free Shipping

8.7 worth the money

8.2 Simple to use

8.0 Taste
Main highlights

Trusted, Effective Heartburn Relief - Alka-Seltzer has been trusted to provide fast, powerful heartburn and stomach ache relief for over 74 years.
Powerful Stomach Acid Reducer - The powerful combination of sodium bicarbonate and citric acid in Alka-Selter's stomach medicine works to neutralize excess stomach acid on contact and helps break down food in the stomach.
Neutralizes Acid Fast - The effervescent formula dissolves quickly and starts working in seconds for immediate relief of your heartburn and indigestion symptoms.
Extra Strength Formula - Alka-Seltzer antacids provide effective 4 in 1 relief from heartburn, upset stomach, and acid indigestion.
Convenient and Easy to Use - Alka-Seltzer can be taken anytime and anywhere, simply dissolve 1 effervescent tablet in water and drink to feel instant heartburn and acid relief.
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8.7

Very Good

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09
Gaviscon

Gaviscon Max Relief Tablets - 50 Count - Chewable Foaming Antacid Tablets for Day and Night Heartburn Relief, Acid Reflux and GERD Relief, Cooling & Refreshing Peppermint - Free of Aluminum & Lactose

Free Shipping
Main highlights

Provides day and night-time relief of heartburn, acid reflux and GERD (Gastro-Esophageal Reflux Disease) symptoms
Gaviscon forms a protective barrier that blocks acid reflux for hours
Doctor recommended
Begins working immediately to block acid reflux and heartburn for hours
Aluminum, lactose and gluten free
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8.6

Very Good

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10
Gaviscon

Gaviscon Extra Strength Tablets - 25 Count - Chewable Foaming Antacid Tablets for Day and Night Heartburn Relief, Acid Reflux and GERD Relief, Fruit Blend - Free of Aluminum, Lactose and Gluten

21% Off Free Shipping
Main highlights

Stop heartburn and acid reflux at the source: Gaviscon antacid products create a foaming protective barrier that blocks stomach acid from entering the esophagus while neutralizing existing stomach acid
Safe for daily use: Chew 2-4 tablets when symptoms occur or take as directed by your doctor; Safe for daily use up to a maximum dosage of 16 tablets per day
Managing heartburn: In addition to taking Gaviscon for immediate upset stomach relief, you can help manage your heartburn by avoiding acidic foods, eating smaller meals, elevating your body while you sleep, and more; Consult your doctor to see which methods work best for you
Fast-acting, long-lasting heartburn relief: Doctor-recommended Gaviscon Extra Strength Tablets begin working immediately, providing long lasting heartburn relief in minutes that lasts for hours; Feel Gaviscon's foaming action start to work as soon as you take
Effective active ingredients: This strength of Gaviscon foaming tablets contains 313mg of alginic acid and 63mg of magnesium carbonate, formulated to block and neutralize your acid reflux and provide you with immediate GERD relief
Show more
8.3

Good

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