Issue #137129 • 21 December 2025

Antacids Explained: Relief from Heartburn & Indigestion hero background
antacid guide

Find Your Perfect Antacid

Discover the best antacids for heartburn relief today

Content last updated 21 December 2025

Introduction

Antacids are indispensable for those suffering from heartburn and indigestion, offering quick relief from discomfort. With a plethora of options available, it is essential to choose the right product based on individual needs. This guide breaks down the various over-the-counter antacids, highlighting their benefits, ingredients, and price ranges, to empower you to make informed decisions.

I've examined countless options on Amazon to bring you this carefully selected lineup of exceptional products.

At a Glance

Nexium Control
🏆 Best Overall 🎯 Editor's Choice ⭐ Top Rated

4.6 out of 5 stars (5,194 reviews)
Nexium Control Heartburn Capsules 20mg
Nexium Control Heartburn & Indigestion Capsules offer an effective solution for those suffering from frequent heartburn and acid reflux. With a high rating of 4.6/5 from over 5,000 reviews, users appreciate the 24-hour relief provided by just one capsule daily. This gastro-resistant formulation is designed to tackle heartburn at its source, making it an ideal choice for long-term management. Many consumers report improved sleep quality due to reduced night-time symptoms, showcasing its effectiveness as a trusted product in the market.

Overview of Nexium Control

Nexium Control capsules contain esomeprazole, a proton pump inhibitor that effectively reduces stomach acid production. This unique mechanism not only alleviates the burning pain associated with heartburn but also prevents its recurrence throughout the day and night. Users report that one capsule a day can provide continuous protection, allowing for a more comfortable lifestyle without the fear of sudden heartburn interruptions. This product is particularly beneficial for those who have chronic heartburn and require a reliable and long-lasting solution. Importantly, users are advised to monitor their symptoms and consult a healthcare professional if they persist, as long-term use of proton pump inhibitors may require medical supervision.

What We Love
  • Provides 24-hour relief from heartburn
  • Only one capsule needed per day
  • Gastro-resistant formulation for effective delivery
  • Scientifically proven to reduce stomach acid production
  • Helps improve sleep quality by reducing night-time heartburn
  • Long-lasting protection against frequent heartburn
The Drawbacks
  • Only suitable for adults over 18 years
  • Not recommended for long-term use without medical advice
  • May require additional lifestyle changes for optimal results

Gaviscon Aniseed

4.8 out of 5 stars (81 reviews)
Gaviscon Original Aniseed Liquid 500ml
Gaviscon Original Aniseed Liquid is a well-regarded solution for those experiencing heartburn and indigestion, rated at 4.8/5 by users. Its fast-acting formula works within minutes to create a protective barrier in the stomach, preventing acid from causing discomfort. This product is especially popular among pregnant women seeking safe relief from common digestive issues. With a long-lasting effect of up to 4 hours, many users find this liquid formulation both effective and convenient for managing their symptoms.

Gaviscon Overview

Gaviscon Original Aniseed Liquid is designed to provide immediate relief for heartburn and indigestion. Its unique formulation not only neutralises excess stomach acid but also forms a protective raft that keeps acid in the stomach, effectively preventing reflux. This dual-action approach means that users can enjoy relief from burning sensations in the chest and discomfort from indigestion. The product is suitable for use during pregnancy, which makes it a go-to for expectant mothers struggling with heartburn. Users often report that the taste is acceptable, although some may find it less appealing. Overall, Gaviscon has been a trusted name in digestive health for over 40 years, providing reliable solutions to those in need.

What We Love
  • Fast-acting relief from heartburn and indigestion
  • Suitable for pregnant women
  • Forms a protective barrier against acid
  • Long-lasting effect of up to 4 hours
  • Popular choice with proven effectiveness
  • User-friendly liquid formulation
The Drawbacks
  • Taste may not be appealing to all users
  • Requires multiple doses for maximum effect
  • May cause bloating in some individuals

Gaviscon Mint
💰 Best Value ⭐ Top Rated Prime

4.6 out of 5 stars (202 reviews)
Gaviscon Double Action Mint Liquid 150ml
Gaviscon Double Action Mint Liquid is a top choice for quick relief from heartburn and indigestion, boasting a user rating of 4.6/5. This product is formulated to provide dual relief by neutralising excess stomach acid while also forming a protective barrier against reflux. Its pleasant mint flavour and fast-acting properties make it favoured among users, particularly those who require a reliable solution for digestive discomfort. The convenient liquid form allows for easy administration, and it is suitable for use during pregnancy, making it a versatile option for many.

Gaviscon Double Action Mint Overview

Gaviscon Double Action Mint Liquid is formulated to tackle heartburn and indigestion with its dual-action approach. It quickly neutralises stomach acid and forms a protective layer over the stomach contents, which helps alleviate the burning sensation often associated with heartburn. This product is especially popular among those seeking immediate relief, as it gets to work almost instantly. The mint flavour adds to its appeal, making it more palatable than some other formulations. Users appreciate that it is safe for use during pregnancy, providing peace of mind for expectant mothers. However, it is recommended to take the product as directed to avoid potential mild side effects such as bloating.

What We Love
  • Dual action for heartburn and indigestion relief
  • Fast-acting formula for immediate comfort
  • Longer-lasting than standard antacids
  • Suitable during pregnancy
  • Pleasant mint flavour
  • Easy to administer liquid format
The Drawbacks
  • Limited duration of relief compared to some other products
  • May cause mild side effects like bloating
  • Not suitable for individuals with certain allergies

Gaviscon Double Action
🚀 Best Premium ⭐ Top Rated 👑 Iconic

4.8 out of 5 stars (317 reviews)
Gaviscon Double Action Mint Liquid 500ml
Gaviscon Double Action Mint Liquid 500ml is a large-volume option that provides long-lasting relief from heartburn and indigestion. With a stellar rating of 4.8/5, users appreciate its fast-acting formula that forms a protective barrier over stomach contents. This product's suitability for pregnant women further enhances its appeal, making it a trusted choice for many. The pleasant mint flavour is praised for making the experience more enjoyable. Overall, this product is considered a worthwhile investment for those seeking effective digestive relief.

Gaviscon Double Action Mint 500ml Overview

This larger size of Gaviscon Double Action Mint Liquid is designed to combat heartburn and indigestion effectively. It offers both immediate relief by neutralising stomach acid and creates a barrier that helps prevent acid reflux. Users often highlight its effectiveness in soothing symptoms and its pleasant minty taste, which contrasts with some traditional antacid options. The product is particularly advantageous for those who experience frequent heartburn or indigestion, as it provides long-lasting relief, lasting up to 4 hours. The formulation is safe for use during pregnancy, which broadens its user base significantly. However, while it is a premium option, some may find the price a bit higher compared to standard antacid liquids.

What We Love
  • Long-lasting relief from heartburn and indigestion
  • Creates a protective barrier against acid
  • Fast-acting formula for quick relief
  • Suitable for pregnant women
  • Appealing mint flavour
  • Large volume for extended use
The Drawbacks
  • Higher price point compared to similar products
  • Limited time deal may not be available long-term
  • Potential for mild gastrointestinal discomfort

Acidex Liquid

5.0 out of 5 stars (8 reviews)
Acidex Liquid Peppermint 500ml
Acidex Liquid Peppermint 500ml is a premium offering for those seeking effective relief from heartburn and indigestion. With a perfect rating of 5.0/5 from users, this product stands out due to its sugar-free and gluten-free formulation. It is safe for pregnant and breastfeeding women, making it a versatile choice for a wider audience. Users report quick relief from discomfort, thanks to its effective ingredient combination. However, it is important to adhere to dosage recommendations to avoid potential interactions with other medications.

Acidex Liquid Overview

Acidex Liquid Peppermint offers a unique combination of ingredients designed to combat heartburn and acid indigestion effectively. It contains sodium bicarbonate, sodium alginate, and calcium carbonate, which work together to neutralise stomach acid and provide relief from discomfort. The product is also sugar-free and gluten-free, catering to those with dietary restrictions. This formulation's appeal extends to pregnant and breastfeeding women, as it is deemed safe for use during these periods. Users have noted the pleasant peppermint flavour, which makes consumption easier. However, due to its premium pricing and the need for caution in dosing, it may not be the first choice for occasional users.

What We Love
  • Sugar-free and gluten-free formulation
  • Provides fast relief from indigestion
  • Safe for use during pregnancy and breastfeeding
  • Contains effective ingredients like sodium bicarbonate
  • Convenient liquid format for easy administration
The Drawbacks
  • Higher price for a pack of two
  • Only suitable for adults and children over 12
  • Should not be combined with other medications

Gaviscon Liquid Mint
⚡ Best Performance ⭐ Top Rated Prime

4.8 out of 5 stars (214 reviews)
Gaviscon Double Action Liquid Mint 600ml
Gaviscon Double Action Liquid Mint 600ml is highly rated by users, with a score of 4.8/5, reflecting its effectiveness in providing relief from heartburn and indigestion. This dual-action product not only neutralises stomach acid but also creates a protective barrier, making it a versatile option for many individuals. Its suitability during pregnancy further enhances its appeal. Users appreciate the convenience of the 600ml packaging for ongoing use, although some may find the volume insufficient for frequent users. Overall, Gaviscon continues to be a reliable choice for those needing digestive relief.

Gaviscon Double Action Liquid Mint Overview

The Gaviscon Double Action Liquid Mint is formulated to deliver fast and effective relief from heartburn and indigestion symptoms. It works in two ways: by neutralising excess stomach acid and forming a protective barrier over the stomach contents, helping to prevent acid reflux. This product is particularly popular among pregnant women seeking safe options for managing heartburn. Its user-friendly liquid formulation ensures ease of administration, making it suitable for all ages. Despite its effectiveness, it is important for users to follow dosage instructions to avoid potential mild side effects, such as bloating, especially with overuse. The 600ml size is convenient for regular use but may be limited for those needing more frequent doses throughout the day.

What We Love
  • Dual action relief for heartburn and indigestion
  • Suits various dietary needs
  • Convenient packaging for multiple uses
  • Suitable for pregnant women
  • Fast-acting relief
  • User-friendly liquid format
The Drawbacks
  • Limited volume per package
  • May require multiple doses throughout the day
  • Potential for mild side effects

Frequently Asked Questions

When choosing between Nexium Control and Gaviscon Aniseed, consider your frequency of heartburn. If you experience it regularly, Nexium Control offers 24-hour protection with just one capsule a day, making it a convenient option. Alternatively, if you prefer immediate relief, Gaviscon Aniseed acts instantly and provides a protective barrier that lasts up to 4 hours.

To use Gaviscon Aniseed, measure the recommended dose after meals and before bedtime. It’s important to shake the bottle well before each use to ensure the ingredients are properly mixed. Avoid taking it within 1 to 2 hours of other medications for optimal effectiveness.

If you are on a budget, Gaviscon Mint is a more affordable option compared to Nexium Control and provides effective relief for occasional heartburn. However, if you need long-term management of frequent heartburn, investing in Nexium Control may be more beneficial due to its prolonged action.

The Nexium Control capsule is designed for daily use, while Gaviscon Aniseed provides short-term relief. If you are looking for a long-term solution, Nexium Control may be your best choice. However, for immediate relief, Gaviscon Aniseed is particularly effective due to its quick action and dual functionality.

Both products are generally well-tolerated, but if you have specific dietary restrictions, Acidex Liquid is sugar-free and safe for pregnant women, making it a suitable alternative for those who are cautious about ingredients. Always consult with a healthcare provider if you have concerns about interactions with other medications.

For those who experience heartburn due to certain foods, Nexium Control offers a targeted approach by reducing stomach acid production. In contrast, Gaviscon Double Action and Gaviscon Mint focus on neutralising existing acid and creating a barrier, which may be preferable depending on your dietary habits and triggers.

When considering product size, Gaviscon Aniseed offers a larger volume (500ml) which may be more economical for regular use, while Gaviscon Mint is smaller (150ml) and better suited for occasional use. Think about how often you experience heartburn to determine which size best fits your needs.

Conclusion: Choosing the Right Antacid

When selecting an antacid, consider factors such as formulation, speed of relief, and potential side effects. It’s wise to consult with a healthcare professional if symptoms persist, as they may indicate a more serious underlying condition. Remember, not all antacids are created equal; some may suit your needs better than others based on your lifestyle and dietary habits. Whether you prefer a liquid or a tablet, the right antacid can make all the difference in managing discomfort. So, take a moment to review the options presented here and find the best match for your health needs.

Explore our top antacid selections today!