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5 Best Antacids of 2025

Last Updated - 14/12/2025

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Rennie

Rennie Antacids, Peppermint Flavour Heartburn Relief and Indigestion Tablets, Fast and Effective Relief for Acid Reflux, 4 Packs of 96 (384 total)

Rennie

£26.95

More Details
Main highlights
- With over 90 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
- Rennie antacids convert excess stomach acid into water and other natural substances; take 1 to 2 tablets up to 3-4 times a day
- Fast and effective tablets for heartburn, indigestion and acid reflux
- Chewable peppermint tablets for on-the-go relief
- *Medicines can affect the unborn baby; consult your doctor or pharmacist before taking medicines during pregnancy
£26.95
2

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

TUMS

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

TUMS

£18.99

More Details
Main highlights
- Tums Ultra Strength 1000 Antacid Assorted Berries Tablets provide calcium carbonate that relieves heartburn, sour stomach and acid indigestion.
- This delicious antacid travels directly to the source, dissolving swiftly and neutralizing stomach acid on contact.
- 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.
- TUMS heartburn tablets goes to work in seconds! DELICIOUS TASTE!!! TUMS provides fast-acting relief from the pain of heartburn.
- It is the one Tums antacid to take for fast, maximum relief. Calcium carbonate quickly and effectively fights heartburn.
£18.99
3

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

TUMS

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

TUMS

£18.99

More Details
Main highlights
- Tums Ultra Strength 1000 Antacid Assorted Berries Tablets provide calcium carbonate that relieves heartburn, sour stomach and acid indigestion.
- This delicious antacid travels directly to the source, dissolving swiftly and neutralizing stomach acid on contact.
- 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.
- TUMS heartburn tablets goes to work in seconds! DELICIOUS TASTE!!! TUMS provides fast-acting relief from the pain of heartburn.
- It is the one Tums antacid to take for fast, maximum relief. Calcium carbonate quickly and effectively fights heartburn.
£18.99
4
Best Value

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

TUMS

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

TUMS

£13.69

More Details
Main highlights
- Heartburn Relief
- Fast Long Lasting Relief
- Excellent Source of Calcium
£13.69
5

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

TUMS

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

TUMS

£13.69

More Details
Main highlights
- Heartburn Relief
- Fast Long Lasting Relief
- Excellent Source of Calcium
£13.69

5 Best Antacids of 2025

Rennie Antacids, Peppermint Flavour Heartburn Relief and Indigestion Tablets, Fast and Effective Relief for Acid Reflux, 4 Packs of 96 (384 total)

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

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

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

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

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