Best Liquid Antacids of 2026

Name: Gaviscon Double Action Mint Liquid 500ml
Brand: Gaviscon

Phoebe Cooper

Last Updated: 6 Feb 2026

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Liquid antacids are a type of medication used to neutralise stomach acid and provide relief from symptoms such as heartburn, indigestion, and acid reflux. These antacids come in a liquid form and are typically taken orally. They work by reacting with the acid in the stomach, reducing its acidity level and providing fast relief from discomfort. Liquid antacids are available in a variety of flavours and can be purchased over-the-counter from pharmacies and supermarkets. They are a popular choice for those looking for quick and effective relief from digestive issues.

At a Glance: Our Top Picks

#TOP 1

Gaviscon Double Action Mint Liquid 500ml

9.8

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#TOP 2

Peptac Liquid Peppermint, 500 ml

9.7

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#TOP 3

Gaviscon Original Aniseed Liquid 500ml

9.5

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Top 10 Liquid Antacids

#TOP 1

Gaviscon Double Action Mint Liquid 500ml

Gaviscon
3183877
White/Cream
500 ml (Pack of 1)

Gaviscon Double Action Mint Liquid 500ml - Heartburn & Acid Reflux Relief, Fast-Acting Formula, Protective Barrier, Long-Lasting Comfort, Suitable for Pregnancy, Digestion and Nausea

Features

LASTS UP TO 2X LONGER THAN ANTACIDS - Unlike Antacids, Gaviscon Double Action Forms A Raft, Or Layer, On The Top Of Your Stomach Contents And To Help Keep Stomach Acid In Your Stomach, Where It Belongs
GETS TO WORK INSTANTLY - Gaviscon Double Action's Formulation Gets To Work In Seconds To Create A Protective Barrier That Lasts Up To 4 Hours; In Fact, 9 Out 10 People Would Use Gaviscon Double Action Again (based On A 2012 Survey Of 45 Heartburn And Indigestion Sufferers Compared To Control
UNIQUE FORMULATION/COMBINATION FOR DUAL RELIEF OF HEARTBURN & INDIGESTION - Gaviscon Double Action Neutralises Excess Stomach Acid To Help Relieve Discomfort; It Also Forms A Protective Barrier Over The Stomach Contents To Help Soothe The Burning Sensation In Your Chest

9.8

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#TOP 2

Peptac Liquid Peppermint, 500 ml

ANCIENT CARE CREATING HEALTHIER LIVES
Brown

Peptac Liquid Peppermint, 500 ml, Sugar-Free Indigestion Relief - Free Measuring Cup - Fast-Acting Heartburn, Indigestion, Acid Reflux, and Nausea Relief

Features

Ingredients: Contains Sodium Bicarbonate, Sodium Alginate, And Calcium Carbonate.
Relief: Peptac Liquid Peppermint Provides Relief From Heartburn And Acid Indigestion.
Volume: Comes In A 500 Ml Liquid Bottle For Convenient Usage.

9.7

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#TOP 3

Gaviscon Original Aniseed Liquid 500ml

Gaviscon
Aniseed

Gaviscon Original Aniseed Liquid 500ml - Heartburn & Acid Reflux Relief, Fast-Acting Formula, Protective Barrier, Long-Lasting Comfort, Suitable for Pregnancy, Antacids, Digestion and Nausea

Features

LASTS UP TO 2X LONGER THAN ANTACIDS - Unlike Antacids, Gaviscon Double Action Forms A Raft, Or Layer, On The Top Of Your Stomach Contents And To Help Keep Stomach Acid In Your Stomach, Where It Belongs
GETS TO WORK INSTANTLY - Gaviscon Double Action's Formulation Gets To Work In Seconds To Create A Protective Barrier That Lasts Up To 4 Hours; In Fact, 9 Out 10 People Would Use Gaviscon Double Action Again (based On A 2012 Survey Of 45 Heartburn And Indigestion Sufferers Compared To Control
UNIQUE FORMULATION/COMBINATION FOR DUAL RELIEF OF HEARTBURN & INDIGESTION - Gaviscon Double Action Neutralises Excess Stomach Acid To Help Relieve Discomfort; It Also Forms A Protective Barrier Over The Stomach Contents To Help Soothe The Burning Sensation In Your Chest

9.5

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#TOP 4 Best Soothing Antacid

Gaviscon Double Action Mint Sachets for Heartburn Relief

Gaviscon
3069303
10 ml (Pack of 24)

Gaviscon Double Action Sachets, Mint, 24 X 10ml, Heartburn Relief, Acid Reflux, Indigestion Liquid Gerd, Gastro Resistant, Gets To Work Instantly, Lasts 2X Longer, Antacids, Digestion and Nausea

Gaviscon Double Action is designed to provide instant relief from heartburn and indigestion. Its unique formulation begins working within seconds, creating a protective barrier that can last up to four hours, helping you feel more comfortable. Unlike regular antacids, it forms a raft on top of your stomach contents, effectively keeping stomach acid where it belongs. Available in convenient sachets, this product is perfect for those with busy lifestyles, allowing you to manage discomfort on the go.

9.3

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What We Like

Instant relief from heartburn
Lasts up to four hours
Convenient sachet format
Safe for pregnant women
Trusted brand for over 40 years

#TOP 5

Acidex Liquid Peppermint 500 ml Sugar Free Indigestion Relief Fast Acting Heartburn Indigestion Acid Reflux & Nausea Relief Suitable

Generic
White

Acidex Liquid Peppermint 500 ml Sugar Free Indigestion Relief Fast Acting Heartburn Indigestion Acid Reflux & Nausea Relief Suitable for Pregnancy & Breast Feeding Pack of 2

Features

Contains Sodium Bicarbonate, Sodium Alginate, And Calcium Carbonate.
Acidex Liquid Peppermint Provides Relief From Heartburn And Acid Indigestion
Sugar Free, Gluten Free.

9.2

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#TOP 6

Gaviscon Double Action Aniseed Liquid 500ml

Gaviscon
Aniseed

Gaviscon Double Action Aniseed Liquid 500ml - Heartburn, Indigestion, Stomach Pain, Acid Reflux Relief, Digestive Health, Long-Lasting Antacid, Pregnancy Safe

Features

LASTS UP TO 2X LONGER THAN ANTACIDS - Unlike Antacids, Gaviscon Double Action Forms A Raft, Or Layer, On The Top Of Your Stomach Contents And To Help Keep Stomach Acid In Your Stomach, Where It Belongs
GETS TO WORK INSTANTLY - Gaviscon Double Action's Formulation Gets To Work In Seconds To Create A Protective Barrier That Lasts Up To 4 Hours; In Fact, 9 Out 10 People Would Use Gaviscon Double Action Again (based On A 2012 Survey Of 45 Heartburn And Indigestion Sufferers Compared To Control
UNIQUE FORMULATION/COMBINATION FOR DUAL RELIEF OF HEARTBURN & INDIGESTION - Gaviscon Double Action Neutralises Excess Stomach Acid To Help Relieve Discomfort; It Also Forms A Protective Barrier Over The Stomach Contents To Help Soothe The Burning Sensation In Your Chest

9.0

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#TOP 7

Gaviscon Double Action Mint Liquid 250ml

Gaviscon
Mint
250ml

Gaviscon Double Action Mint Liquid 250ml - Fast Heartburn & Indigestion Relief, Convenient Sachets, Antacids for Effective Digestion, Acid Reflux Relief, Pregnancy Safe

Features

LASTS UP TO 2X LONGER THAN ANTACIDS - Unlike Antacids, Gaviscon Double Action Forms A Raft, Or Layer, On The Top Of Your Stomach Contents And To Help Keep Stomach Acid In Your Stomach, Where It Belongs
GETS TO WORK INSTANTLY - Gaviscon Double Action's Formulation Gets To Work In Seconds To Create A Protective Barrier That Lasts Up To 4 Hours; In Fact, 9 Out 10 People Would Use Gaviscon Double Action Again (based On A 2012 Survey Of 45 Heartburn And Indigestion Sufferers Compared To Control
UNIQUE FORMULATION/COMBINATION FOR DUAL RELIEF OF HEARTBURN & INDIGESTION - Gaviscon Double Action Neutralises Excess Stomach Acid To Help Relieve Discomfort; It Also Forms A Protective Barrier Over The Stomach Contents To Help Soothe The Burning Sensation In Your Chest

9.0

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#TOP 8

Gaviscon Double Action Mint Sachets for Indigestion

Gaviscon
3804119
10 ml (Pack of 12)

Gaviscon Double Action Mint Liquid Sachets, 12 Pack - Fast-Acting Heartburn, Indigestion, Acid, Stomach Pain Relief, Long-Lasting Antacid for Digestion and Nausea

Gaviscon Double Action Sachets offer fast relief from heartburn and indigestion. Their unique formulation acts almost instantly, creating a protective barrier that lasts up to four hours, ensuring you feel comfortable throughout the day. Unlike regular antacids, this product forms a raft on top of your stomach contents, keeping stomach acid where it belongs. The convenient sachets are perfect for on-the-go lifestyles, allowing you to manage discomfort wherever you are.

8.8

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What We Like

Fast-acting relief
Long-lasting effect
Convenient sachet format
Safe for pregnancy

#TOP 9

2 X Peptac Peppermint Liquid for Heartburn

Generic
3184488 5023497334316
Brown
500 ml (Pack of 1)

2 X Peptac Peppermint Liquid 500ml | Heartburn Reflux

Peptac Peppermint Liquid is a soothing solution designed to combat heartburn and reflux. This 500ml liquid formulation offers quick relief when you experience discomfort after meals or during the night. The peppermint flavour not only makes it more palatable but also provides a refreshing taste, enhancing your experience. As an antacid, it works effectively to neutralise excess stomach acid, giving you the comfort you need. With this product, you can regain your peace of mind and enjoy your meals without fear of heartburn.

8.6

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What We Like

Effective heartburn relief
Refreshing peppermint flavour
Convenient liquid formulation
Suits various dietary needs

#TOP 10

Acidex Aniseed 500ml Sugar Free Liquid

Generic
White

Acidex Aniseed 500ml Sugar Free Liquid for Fast Acting Heartburn, Indigestion, Acid Reflux & Nausea Relief, Suitable for Pregnancy & Breast Feeding, Pack of 2

Features

Fast-Acting Relief Experience Quick Relief From Heartburn, Acid Reflux, And Indigestion With Acidexs Fast-Acting Formula, Designed To Provide Comfort When You Need It Most.
Sugar-Free Formula Acidex Liquid Aniseed Is Completely Sugar-Free, Making It A Healthier Choice For Those Managing Their Sugar Intake While Seeking Effective Indigestion Relief.
Suitable For Pregnancy And Breastfeeding This Product Is Safe For Use During Pregnancy And Breastfeeding, Offering Effective Nausea Relief And Indigestion Relief Without Compromising Safety.

8.6

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Frequently Asked Questions (FAQs)

1. Are there any liquid antacids?

Liquid antacids usually work faster/better than tablets or capsules. This medication works only on existing acid in the stomach. It does not prevent acid production.

2. What is the most effective liquid antacid?

Best Liquid Antacid: Pepto Bismol Original Liquid. Coats the stomach.Soothes heartburn.Treats multiple symptoms, including diarrhea.

3. Is there a liquid acid reflux medicine?

These medications are available in nonprescription and prescription strength and in tablet, capsule, liquid, or powder form. They should be taken as directed by your doctor.

Editor's Notes

During our liquid antacid research, we found 82 liquid antacid products and shortlisted 10 quality products. We collected and analyzed 13,226 customer reviews through our big data system to write the liquid antacids list. We found that most customers choose liquid antacids with an average price of £10.91.

The liquid antacids are available for purchase. We have researched hundreds of brands and picked the top brands of liquid antacids, including Gaviscon, ANCIENT CARE CREATING HEALTHIER LIVES.

Written by

Phoebe Cooper

In 2000, Phoebe Cooper graduated from the University of London as a Pharmacist. She practiced as a Pharmacist for the better part of 2 decades. Phoebe says she has worked in the majority of health sectors and has sufficient accumulated knowledge and experience. In her practice, Phoebe published a series of eBooks, one of which is titled "Good Health Good Living."