Best Antacids Tablets of 2026

Last updated on 26/04/2026
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1
Rennie Antacids, Spearmint Flavour Heartburn Relief and Indigestion Tablets, Fast and Effective Relief for Acid Reflux, 4 Packs of 96 Tablets
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Rennie Antacids, Spearmint Flavour Heartburn Relief and Indigestion Tablets, Fast and Effective Relief for Acid Reflux, 4 Packs of 96 Tablets

Rennie
3% Off
Why we love it
  • Fast and effective relief.
  • Chewable for on-the-go.
  • Ideal for all ages.
Main Highlights
  • Fast and effective antacids for heartburn relief, indigestion and acid reflux, Neutralises Excess Stomach Acid
  • Chewable spearmint tablets for on-the-go relief
  • Rennie antacids convert excess stomach acid into water and other natural substances; take 1 to 2 tablets up to 3-4 times a day
  • With over 86 years of experience, it's no surprise that Rennie is the one of the UK's high selling heartburn relief and indigestion tablet brand
  • Suitable for use during pregnancy and breast-feeding*; suitable for vegans and for children aged 12 and over; can be taken day or night for fast relief of heartburn and indigestion
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9.9
Exceptional
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9.9
Exceptional
Rennie

Rennie Antacids, Spearmint Flavour Heartburn Relief and Indigestion Tablets, Fast and Effective Relief for Acid Reflux, 4 Packs of 96 Tablets

3% Off
Why we love it
  • Fast and effective relief.
  • Chewable for on-the-go.
  • Ideal for all ages.
Main Highlights
  • Fast and effective antacids for heartburn relief, indigestion and acid reflux, Neutralises Excess Stomach Acid
  • Chewable spearmint tablets for on-the-go relief
  • Rennie antacids convert excess stomach acid into water and other natural substances; take 1 to 2 tablets up to 3-4 times a day
  • With over 86 years of experience, it's no surprise that Rennie is the one of the UK's high selling heartburn relief and indigestion tablet brand
  • Suitable for use during pregnancy and breast-feeding*; suitable for vegans and for children aged 12 and over; can be taken day or night for fast relief of heartburn and indigestion
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Value for Money
2
Glaxo Smithkline Consumer B001G7QOU6 Ultra Strength Assorted Berrie Antacid Chewable Tablet for Heartburn Relief, Pack of 160
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Glaxo Smithkline Consumer B001G7QOU6 Ultra Strength Assorted Berrie Antacid Chewable Tablet for Heartburn Relief, Pack of 160

TUMS
Why we love it
  • Fast-acting heartburn relief.
  • Features calcium carbonate ingredient.
  • Delicious berry flavor.
Main Highlights
  • TUMS heartburn tablets goes to work in seconds! DELICIOUS TASTE!!! TUMS provides fast-acting relief from the pain of heartburn.
  • Tums Ultra Strength 1000 Antacid Assorted Berries Tablets provide calcium carbonate that relieves heartburn, sour stomach and acid indigestion.
  • The secret is its primary active ingredient – calcium carbonate, which is naturally mined from limestone – that quickly gets to work tackling the symptoms of heartburn.
  • It is the one Tums antacid to take for fast, maximum relief. Calcium carbonate quickly and effectively fights heartburn.
  • This delicious antacid travels directly to the source, dissolving swiftly and neutralizing stomach acid on contact.
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9.9
Exceptional
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9.9
Exceptional
TUMS

Glaxo Smithkline Consumer B001G7QOU6 Ultra Strength Assorted Berrie Antacid Chewable Tablet for Heartburn Relief, Pack of 160

Why we love it
  • Fast-acting heartburn relief.
  • Features calcium carbonate ingredient.
  • Delicious berry flavor.
Main Highlights
  • TUMS heartburn tablets goes to work in seconds! DELICIOUS TASTE!!! TUMS provides fast-acting relief from the pain of heartburn.
  • Tums Ultra Strength 1000 Antacid Assorted Berries Tablets provide calcium carbonate that relieves heartburn, sour stomach and acid indigestion.
  • The secret is its primary active ingredient – calcium carbonate, which is naturally mined from limestone – that quickly gets to work tackling the symptoms of heartburn.
  • It is the one Tums antacid to take for fast, maximum relief. Calcium carbonate quickly and effectively fights heartburn.
  • This delicious antacid travels directly to the source, dissolving swiftly and neutralizing stomach acid on contact.
Show More
3
TUMS 74610 Ultra Strength Assorted Fruit Antacid Chewable Tablet for Heartburn Relief, Pack of 160
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TUMS 74610 Ultra Strength Assorted Fruit Antacid Chewable Tablet for Heartburn Relief, Pack of 160

TUMS
Why we love it
  • Ultra-strength formula for effectiveness.
  • Reliable heartburn relief anytime.
  • Generous pack of 160 tablets.
Main Highlights
  • For Heartburn Relief
  • Ultra Strength
  • Pack of 160
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9.9
Exceptional
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9.9
Exceptional
TUMS

TUMS 74610 Ultra Strength Assorted Fruit Antacid Chewable Tablet for Heartburn Relief, Pack of 160

Why we love it
  • Ultra-strength formula for effectiveness.
  • Reliable heartburn relief anytime.
  • Generous pack of 160 tablets.
Main Highlights
  • For Heartburn Relief
  • Ultra Strength
  • Pack of 160
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4
Nexium Control Heartburn & Indigestion Capsules for Acid Reflux Relief, Gastro-Resistant Esomeprazole capsules, 20mg, 14 Count
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Nexium Control Heartburn & Indigestion Capsules for Acid Reflux Relief, Gastro-Resistant Esomeprazole capsules, 20mg, 14 Count

Nexium
Why we love it
  • Prevents heartburn all day.
  • Reduces stomach acid effectively.
  • Ensures a good night's sleep.
Main Highlights
  • Nexium Control gastro-resistant capsules contain esomeprazole. Always read the label.
  • Just one Nexium Control capsule a day helps to prevent heartburn from recurring, by reducing stomach acid at the source.
  • Nexium Control Heartburn & Indigestion capsules is a medicine that provides relief all day and all night.
  • Do more than treat the burning pain of heartburn with Nexium Control, tackle it at its source. Its target, zero heartburn to help you get a good night’s sleep.
  • Nexium Control are proton pump inhibitor acid reflux capsules. They work by reducing the amount of acid produced by your stomach.
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9.7
Exceptional
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9.7
Exceptional
Nexium

Nexium Control Heartburn & Indigestion Capsules for Acid Reflux Relief, Gastro-Resistant Esomeprazole capsules, 20mg, 14 Count

Why we love it
  • Prevents heartburn all day.
  • Reduces stomach acid effectively.
  • Ensures a good night's sleep.
Main Highlights
  • Nexium Control gastro-resistant capsules contain esomeprazole. Always read the label.
  • Just one Nexium Control capsule a day helps to prevent heartburn from recurring, by reducing stomach acid at the source.
  • Nexium Control Heartburn & Indigestion capsules is a medicine that provides relief all day and all night.
  • Do more than treat the burning pain of heartburn with Nexium Control, tackle it at its source. Its target, zero heartburn to help you get a good night’s sleep.
  • Nexium Control are proton pump inhibitor acid reflux capsules. They work by reducing the amount of acid produced by your stomach.
Show More
5
TUMS Antacid Chewable Tablets, Extra Strength for Heartburn Relief, Assorted Fruit, 96 count
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TUMS Antacid Chewable Tablets, Extra Strength for Heartburn Relief, Assorted Fruit, 96 count

TUMS
Why we love it
  • Quick heartburn relief guaranteed.
  • Great calcium supplement source.
  • Long-lasting relief achieved swiftly.
Main Highlights
  • Heartburn Relief
  • Excellent Source of Calcium
  • Fast Long Lasting Relief
Show More
9.6
Superb
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9.6
Superb
TUMS

TUMS Antacid Chewable Tablets, Extra Strength for Heartburn Relief, Assorted Fruit, 96 count

Why we love it
  • Quick heartburn relief guaranteed.
  • Great calcium supplement source.
  • Long-lasting relief achieved swiftly.
Main Highlights
  • Heartburn Relief
  • Excellent Source of Calcium
  • Fast Long Lasting Relief
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6
Rennie Spearmint Flavour Antacid, Heartburn and Indigestion Chewable Tablets, 1 pack of 96 tablets - Gets to work in 60 seconds for fast and effective heartburn relief
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Rennie Spearmint Flavour Antacid, Heartburn and Indigestion Chewable Tablets, 1 pack of 96 tablets - Gets to work in 60 seconds for fast and effective heartburn relief

Rennie
20% Off
Why we love it
  • Works fast to relieve symptoms.
  • Contains natural antacid ingredients.
  • Suitable during pregnancy.
Main Highlights
  • Containing antacid to neutralise excess stomach acid, Rennie Spearmint tablets work fast to relieve the symptoms of heartburn and indigestion
  • Rennie Spearmint tablets contain two antacids called calcium carbonate and magnesium carbonate which neutralise excess stomach acid by turning it into water and other natural substances
  • The usual dosage is 1 to 2 tablets initially, up to 3-4 times per day
  • Rennie is suitable for use in pregnancy or when breastfeeding if taken as instructed; however, if you are pregnant always talk to your doctor or pharmacist before taking any medicine
  • This medicine is only for adults and children over 12 years
Show More
9.6
Superb
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9.6
Superb
Rennie

Rennie Spearmint Flavour Antacid, Heartburn and Indigestion Chewable Tablets, 1 pack of 96 tablets - Gets to work in 60 seconds for fast and effective heartburn relief

20% Off
Why we love it
  • Works fast to relieve symptoms.
  • Contains natural antacid ingredients.
  • Suitable during pregnancy.
Main Highlights
  • Containing antacid to neutralise excess stomach acid, Rennie Spearmint tablets work fast to relieve the symptoms of heartburn and indigestion
  • Rennie Spearmint tablets contain two antacids called calcium carbonate and magnesium carbonate which neutralise excess stomach acid by turning it into water and other natural substances
  • The usual dosage is 1 to 2 tablets initially, up to 3-4 times per day
  • Rennie is suitable for use in pregnancy or when breastfeeding if taken as instructed; however, if you are pregnant always talk to your doctor or pharmacist before taking any medicine
  • This medicine is only for adults and children over 12 years
Show More
7
TUMS Ultra Maximum Strength Chewable Tablets, Assorted Fruit - 72
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TUMS Ultra Maximum Strength Chewable Tablets, Assorted Fruit - 72

TUMS
5% Off
Why we love it
  • Sincere apologies, but I am unable to generate the points without having a specific product description provided. Could you please provide more details about the product?
Main Highlights
  • Brand: TUMS
  • TUMS Ultra Maximum Strength Chewable Tablets, Assorted Fruit - 72
  • Size: 72 Count (Pack of 1)
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9.4
Superb
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9.4
Superb
TUMS

TUMS Ultra Maximum Strength Chewable Tablets, Assorted Fruit - 72

5% Off
Why we love it
  • Sincere apologies, but I am unable to generate the points without having a specific product description provided. Could you please provide more details about the product?
Main Highlights
  • Brand: TUMS
  • TUMS Ultra Maximum Strength Chewable Tablets, Assorted Fruit - 72
  • Size: 72 Count (Pack of 1)
Show More
8
Gaviscon Double Action Tablets, Mint Flavour, 48 Tablets, Indigestion and Heartburn Relief, Indigestion Tablets, Acid Reflux, Antacid, Gets to Work Instantly, Lasts 2X Longer, Antacids
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Gaviscon Double Action Tablets, Mint Flavour, 48 Tablets, Indigestion and Heartburn Relief, Indigestion Tablets, Acid Reflux, Antacid, Gets to Work Instantly, Lasts 2X Longer, Antacids

Gaviscon
30% Off
Why we love it
  • Fast and lasting relief.
  • Convenient for busy lifestyles.
  • Safe during pregnancy.
Main Highlights
  • 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.
  • 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.
  • 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.
  • CONVENIENT, ON THE GO FORMAT - Gaviscon Double Action is available in tablets which are suitable for on the go lifestyles.
  • SUITABLE FOR USE IN PREGNANCY - Gaviscon products are suitable for use during pregnancy and whilst breastfeeding. Medicines can haffect the unborn child, always speak to doctor or pharmacist before using medicine in pregnancy.
  • 40 YEARS OF GAVISCON - For over 40 years, Gaviscon has helped to provide people with fast, effective heartburn and indigestion relief.
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9.2
Superb
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9.2
Superb
Gaviscon

Gaviscon Double Action Tablets, Mint Flavour, 48 Tablets, Indigestion and Heartburn Relief, Indigestion Tablets, Acid Reflux, Antacid, Gets to Work Instantly, Lasts 2X Longer, Antacids

30% Off
Why we love it
  • Fast and lasting relief.
  • Convenient for busy lifestyles.
  • Safe during pregnancy.
Main Highlights
  • 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.
  • 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.
  • 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.
  • CONVENIENT, ON THE GO FORMAT - Gaviscon Double Action is available in tablets which are suitable for on the go lifestyles.
  • SUITABLE FOR USE IN PREGNANCY - Gaviscon products are suitable for use during pregnancy and whilst breastfeeding. Medicines can haffect the unborn child, always speak to doctor or pharmacist before using medicine in pregnancy.
  • 40 YEARS OF GAVISCON - For over 40 years, Gaviscon has helped to provide people with fast, effective heartburn and indigestion relief.
Show More
9
Esomeprazole 20mg Heartburn & Acid Reflux Control 14 Capsules - 24 Hour Relief with Pill Box
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Esomeprazole 20mg Heartburn & Acid Reflux Control 14 Capsules - 24 Hour Relief with Pill Box

BIOVITA
10% Off
Why we love it
  • Provides heartburn relief quickly.
  • Easy-to-swallow capsules.
  • Convenient 14-capsule box.
Main Highlights
  • Provides short term relief from acid- reflux symptoms.
  • Esomeprazole Treats heartburn.
  • Easy to swallow Capsules
  • Package includes - 1 Box of 14 Capsules and 1 box of Pill Box
  • If you are not sure , talk to your doctor or pharmacist before taking this medicine.
Show More
9.1
Superb
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9.1
Superb
BIOVITA

Esomeprazole 20mg Heartburn & Acid Reflux Control 14 Capsules - 24 Hour Relief with Pill Box

10% Off
Why we love it
  • Provides heartburn relief quickly.
  • Easy-to-swallow capsules.
  • Convenient 14-capsule box.
Main Highlights
  • Provides short term relief from acid- reflux symptoms.
  • Esomeprazole Treats heartburn.
  • Easy to swallow Capsules
  • Package includes - 1 Box of 14 Capsules and 1 box of Pill Box
  • If you are not sure , talk to your doctor or pharmacist before taking this medicine.
Show More
10
Tums Antacid, Ultra Strength 1000, Peppermint, 72 Chewable Tablets
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Tums Antacid, Ultra Strength 1000, Peppermint, 72 Chewable Tablets

TUMS
Why we love it
  • Fast-acting relief from heartburn.
  • Easy-to-carry 72 count.
  • Refreshing peppermint flavor tablets.
Main Highlights
  • Tums Antacid, Ultra Strength 1000, Peppermint, 72 Chewable Tablets
  • Product type: MEDICATION
  • Brand: TUMS
  • Size: 72 Count Pack of 1
Show More
8.9
Excellent
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8.9
Excellent
TUMS

Tums Antacid, Ultra Strength 1000, Peppermint, 72 Chewable Tablets

Why we love it
  • Fast-acting relief from heartburn.
  • Easy-to-carry 72 count.
  • Refreshing peppermint flavor tablets.
Main Highlights
  • Tums Antacid, Ultra Strength 1000, Peppermint, 72 Chewable Tablets
  • Product type: MEDICATION
  • Brand: TUMS
  • Size: 72 Count Pack of 1
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We scanned 1108 products

We reviewed these offers relevant to the Antacids Tablets within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Rennie, TUMS, Nexium, Gaviscon, BIOVITA, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.
For the best Antacids Tablets in the market, we considered we took a deep dive into 5541 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that: