Updated:21 October 2026
Rank 1-21 of the best Antacids for Heartburn
Our recommendation Price Customer rating
1. Comparison winner
TUMS Ultra Strength Antacid Tablets, 160 Pack
TUMS Ultra Strength Antacid Tablets, 160 Pack
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free shipping
  • provides relief from heartburn
  • assorted fruit chewable tablets for easy intake
  • suitable for adults
Our rating
9,8
very good
2. Best value
Gaviscon Double Action Mint Liquid 500ml
Gaviscon Double Action Mint Liquid 500ml
Available immediately
free shipping
  • relieves heartburn and indigestion by neutralising excess stomach acid and forming a protective barrier over the stomach contents
  • provides relief for up to four hours
  • taken by mouth after meals and at bedtime; shake well before use; adults and children aged 12 years and over take 10 to 20 ml up to four times daily
Our rating
9,8
very good
Gaviscon Double Action Chewable Tablets Mixed Berry Flavour
Gaviscon Double Action Chewable Tablets Mixed Berry Flavour
Available immediately
free shipping
  • neutralises excess stomach acid to relieve heartburn and indigestion and forms a protective barrier over the stomach contents to soothe chest burning
  • lasts up to four hours providing relief from symptoms
  • taken by mouth as chewable tablets; chew thoroughly before swallowing and take two to four tablets after meals and at bedtime up to four times a day
Our rating
9,6
very good
Gaviscon Double Action Aniseed Flavour Liquid 500ml
Gaviscon Double Action Aniseed Flavour Liquid 500ml
Available immediately
free shipping
  • neutralises excess stomach acid to relieve discomfort and forms a protective barrier over the stomach contents to soothe chest burning
  • relief lasts up to four hours
  • for oral use, shake well before use; adults and children aged 12 years and over take ten to twenty millilitres after meals and at bedtime up to four times a day; children under 12 should be given only on medical advice
Our rating
9,6
very good
5. Bestseller
Gaviscon Double Action Mint Flavour Sachets 24 x 10ml
Gaviscon Double Action Mint Flavour Sachets 24 x 10ml
Available immediately
free shipping
  • Neutralises excess stomach acid to relieve heartburn and indigestion and forms a protective barrier over the stomach contents to soothe chest burning
  • Provides relief for up to four hours
  • For oral use as mint sachets; adults and children 12 years and over should take one to two sachets after meals and at bedtime, up to four times per day; children under 12 should only use on medical advice
Our rating
9,6
very good
Care Heartburn & Indigestion Relief Peppermint 500ml
Care Heartburn & Indigestion Relief Peppermint 500ml
Available immediately
free shipping
  • uses sodium bicarbonate, sodium alginate, and calcium carbonate to relieve heartburn and gastric reflux
  • provides relief for up to four hours per dose
  • for oral use by adults and children over 12, taken after meals and at bedtime
Our rating
9,6
very good
Nexium Control Esomeprazole 20mg Capsules, 14 Count
Nexium Control Esomeprazole 20mg Capsules, 14 Count
Available immediately
free shipping
  • reduces stomach acid production providing long-lasting heartburn relief
  • offers up to 24-hour protection from recurring heartburn with just one daily capsule
  • suitable for adults 18 years and older, taken with water before a meal
Our rating
9,6
very good
Esomeprazole 20mg Capsules - Acid Reflux Control
Esomeprazole 20mg Capsules - Acid Reflux Control
Available immediately
free shipping
  • short term relief from acid-reflux symptoms
  • easy to swallow capsules
  • consult your healthcare provider if uncertain before use
Our rating
9,6
very good
Guardium Esomeprazole Tablets, 14 Pack
Guardium Esomeprazole Tablets, 14 Pack
Available immediately
free shipping
  • provides relief from frequent heartburn in as little as 1 hour
  • effects last up to 24 hours
  • take one tablet daily with water
Our rating
9,6
very good
Gaviscon Double Action Mint Flavour Liquid 250ml
Gaviscon Double Action Mint Flavour Liquid 250ml
Available immediately
free shipping
  • provides quick relief from heartburn and indigestion by neutralising excess stomach acid and forming a protective barrier on top of the stomach contents
  • lasts up to four hours after taking
  • consume by mouth as a mint flavoured liquid to relieve heartburn and indigestion
Our rating
9,6
very good
300+ purchases last month
Rennie Peppermint Antacid Tablets, 1 Pack of 96
Rennie Peppermint Antacid Tablets, 1 Pack of 96
Available immediately
free shipping
  • quickly relieve heartburn and indigestion symptoms by neutralising excess stomach acid
  • effect lasts for a short duration, allowing for multiple doses per day if necessary
  • administer by taking 1 to 2 tablets up to 3-4 times daily
Our rating
9,6
very good
TUMS Extra Strength Chewable Tablets, 96 Count
TUMS Extra Strength Chewable Tablets, 96 Count
Available immediately
free shipping
  • Provides fast-acting relief from heartburn, sour stomach, acid indigestion, and related upset stomach
  • Chewable tablets for adults and children aged 12 and over
  • Do not take for more than 2 weeks without consulting a doctor
Our rating
9,5
very good
Rennie Peppermint Antacid Tablets 384 Count
Rennie Peppermint Antacid Tablets 384 Count
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free shipping
  • tablets quickly relieve heartburn, indigestion and acid reflux by neutralising excess stomach acid
  • effects last a few hours and can be felt within minutes
  • chew or suck 1 to 2 peppermint tablets up to 3-4 times a day as needed
Our rating
9,5
very good
Rennie Spearmint Antacid Tablets, 96 Count
Rennie Spearmint Antacid Tablets, 96 Count
Available immediately
free shipping
  • neutralises excess stomach acid to relieve symptoms of heartburn and indigestion
  • works quickly to provide relief
  • take 1 to 2 tablets, up to 3-4 times per day
Our rating
9,5
very good
Nexium Control 20mg Esomeprazole Tablets 14 Count
Nexium Control 20mg Esomeprazole Tablets 14 Count
Available immediately
free shipping
  • helps reduce stomach acid to prevent recurring heartburn
  • 24-hour relief with one tablet per day
  • oral use only, swallow tablet whole without chewing or crushing
Our rating
9,4
good
Gaviscon Double Action Mint Flavour Chewable Tablets, 24 Tablets
Gaviscon Double Action Mint Flavour Chewable Tablets, 24 Tablets
Available immediately
free shipping
  • Effectiveness neutralises excess stomach acid to relieve discomfort and forms a protective barrier over the stomach contents to soothe chest burning
  • Duration of relief lasts up to four hours after taking the tablets
  • Method of administration taken by mouth as chewable tablets; chew thoroughly before swallowing and take two to four tablets after meals and at bedtime, up to four times a day
Our rating
9,3
good
Gaviscon Double Action Mint Flavour Sachets 12 x 10ml
Gaviscon Double Action Mint Flavour Sachets 12 x 10ml
Available immediately
free shipping
  • reduces excess stomach acid to relieve heartburn and indigestion and forms a protective barrier over the stomach contents to soothe a burning sensation in the chest
  • relief lasts up to four hours
  • take one to two sachets after meals and at bedtime, up to four times per day; dissolve the sachet contents in water if preferred; suitable for use on the go
Our rating
9,1
good
TUMS Extra Strength Chewable Antacid Tablets for Heartburn Relief, Assorted Fruit Flavours, 70 Tablets
TUMS Extra Strength Chewable Antacid Tablets for Heartburn Relief, Assorted Fruit Flavours, 70 Tablets
Available immediately
free shipping
  • relief from heartburn and indigestion with calcium carbonate as the active ingredient
  • chew 2 to 4 tablets for adults as directed on the label; do not exceed the recommended daily amount
  • adults only; not suitable for children
Our rating
9,1
good
Bisodol Indigestion Relief Tablets Peppermint 60 tablets
Bisodol Indigestion Relief Tablets Peppermint 60 tablets
Available immediately
free shipping
  • effectiveness: three antacids help neutralise excess stomach acid to provide relief from acid indigestion, trapped wind and heartburn
  • how to use: chew the tablets to relieve symptoms as needed
  • age restrictions: suitable for adults and children aged 12 years and over
Our rating
8,9
good
Rennie Peppermint Antacid Chewing Gum for Heartburn, 20 Pieces
Rennie Peppermint Antacid Chewing Gum for Heartburn, 20 Pieces
Available immediately
free shipping
  • calcium carbonate neutralises excess stomach acid to relieve heartburn, acid reflux and indigestion quickly
  • chew 1 or 2 pieces after meals and before bed; do not exceed 10 pieces per day
  • suitable for use by adults and children aged 12 and over
Our rating
8,9
good
Setlers Antacid Tablets, Spearmint, Pack of 36
Setlers Antacid Tablets, Spearmint, Pack of 36
Available immediately
free shipping
  • provides effective relief from heartburn and indigestion by neutralising stomach acid
  • effects can last for several hours, allowing extended relief from discomfort
  • available in chewable tablet form for easy application
Our rating
8,8
good

Similar Antacid for Heartburn comparisons

Antacids for Heartburn buying guide: How to choose the right product from the above Antacids for Heartburn test or comparison

Understanding Heartburn: Symptoms and Triggers

What is Heartburn?

Heartburn is that uncomfortable burning sensation you feel in your chest, often after meals or when lying down. Many of us can relate to this feeling, which typically occurs due to stomach acid flowing back into the oesophagus, a condition known as acid reflux. It’s common and usually manageable, but understanding its symptoms and triggers can significantly enhance our quality of life.

Recognising Symptoms

The primary symptom of heartburn is the burning sensation that can extend from your stomach to your throat. You may also experience a sour taste in your mouth, chest pain, or difficulty swallowing. If you find familiar discomfort in your chest that worsens while bending or lying down, it’s probably heartburn. Keeping a record of when these symptoms occur can help identify specific triggers.

Identifying Triggers

Foods and beverages often play a pivotal role in triggering heartburn. Common culprits include spicy dishes, citrus fruits, chocolate, caffeine, and alcohol. Stress and overeating can also provoke symptoms. By recognising what aggravates your heartburn, you can take tangible steps to manage it effectively.

How Antacids Work: A Simple Explanation

The Role of Antacids

Antacids provide fast relief from heartburn by neutralising stomach acid. Think of them as a buffer that can help reduce the acidity in your stomach temporarily. They typically work within minutes, allowing for a quick reprieve from discomfort during those unexpected flare-ups.

Active Ingredients Explained

Most antacids contain magnesium, aluminium, calcium, or sodium bicarbonate. Each of these takes a different approach to alleviate symptoms. For instance, magnesium can relax the muscles in the digestive tract, while calcium works to neutralise acid effectively. Understanding these ingredients helps us make informed choices about which product may work best for us.

Top Antacid Options: What We Recommend

Popular Choices

When exploring antacids, we recommend looking at a range of products. For quick relief, liquid antacids can be particularly effective, as they coat the stomach lining. Chewable tablets offer convenience on the go, and we should consider brands known for their reliability, ensuring we’re choosing options that best suit our lifestyle and preferences.

Special Considerations

For those who experience frequent heartburn, it may be worthwhile to consider extended-release formulations, which can provide longer-lasting relief. Additionally, reviewing ingredients for potential allergies is crucial. Finding the right antacid involves considering both effectiveness and how convenient it is to take.

How to Choose the Right Antacid for You

Assessing Your Needs

Choosing the right antacid begins with assessing your heartburn symptoms and how often they occur. If you only experience occasional heartburn, over-the-counter options may suffice. However, for those with frequent symptoms, discussing prescription options with a healthcare provider can be beneficial.

Understanding Dosage

Reading the label is vital in understanding how much to take and how often. Many antacids recommend a specific dosage based on your age, weight, and the severity of symptoms. Always following these guidelines helps ensure safety while providing effective relief.

Tips for Using Antacids Effectively

Timing is Key

Timing our antacid consumption can enhance its effectiveness. Taking antacids after meals or before lying down usually works best. This proactive approach can help keep the symptoms at bay rather than waiting for them to occur.

Being Mindful About Lifestyle

In addition to medication, modifying our eating habits can significantly impact heartburn management. Incorporating smaller meals, avoiding late-night snacks, and staying upright for a few hours after eating can complement antacid use. Staying hydrated and reducing triggers contributes to overall digestive health.

Table of contents
  1. Understanding Heartburn: Symptoms and Triggers
  2. How Antacids Work: A Simple Explanation
  3. Top Antacid Options: What We Recommend
  4. How to Choose the Right Antacid for You
  5. Tips for Using Antacids Effectively

Overview

1. Comparison winner
TUMS Ultra Strength Antacid Tablets, 160 Pack
Our rating
9,8
very good
TUMS Ultra Strength Antacid Tablets, 160 PackCheck delivery time
2. Best value
Gaviscon Double Action Mint Liquid 500ml
Our rating
9,8
very good
Gaviscon Double Action Mint Liquid 500mlAvailable immediately
Gaviscon Double Action Chewable Tablets Mixed Berry Flavour
Our rating
9,6
very good
Gaviscon Double Action Chewable Tablets Mixed Berry FlavourAvailable immediately
Gaviscon Double Action Aniseed Flavour Liquid 500ml
Our rating
9,6
very good
Gaviscon Double Action Aniseed Flavour Liquid 500mlAvailable immediately
5. Bestseller
Gaviscon Double Action Mint Flavour Sachets 24 x 10ml
Our rating
9,6
very good
Gaviscon Double Action Mint Flavour Sachets 24 x 10mlAvailable immediately
Care Heartburn & Indigestion Relief Peppermint 500ml
Our rating
9,6
very good
Care Heartburn & Indigestion Relief Peppermint 500mlAvailable immediately
Nexium Control Esomeprazole 20mg Capsules, 14 Count
Our rating
9,6
very good
Nexium Control Esomeprazole 20mg Capsules, 14 CountAvailable immediately
Esomeprazole 20mg Capsules - Acid Reflux Control
Our rating
9,6
very good
Esomeprazole 20mg Capsules - Acid Reflux ControlAvailable immediately
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