Best Rennie Antacids of 2025

Phoebe Cooper Avatar
Phoebe Cooper
Last Updated: 2 Feb 2025

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Antacids are a type of medication that helps to relieve symptoms of heartburn and indigestion. Rennie is a well-known brand that produces a range of antacid products. These products work by neutralising stomach acid, which can help to reduce discomfort and pain. Rennie antacids are available in a variety of flavours and formats, including tablets and liquid sachets. They are a popular choice for those who suffer from occasional acid reflux or indigestion and are looking for a quick and effective way to alleviate their symptoms.

At a Glance: Our Top Picks

Rennie Peppermint Antacids for Heartburn Relief Cover #TOP 1
Rennie Peppermint Antacids for Heartburn Relief
ftb score rating icon 9.8
Rennie Peppermint Antacids for Heartburn Relief Cover #TOP 2
Rennie Peppermint Antacids for Heartburn Relief
ftb score rating icon 9.7
Rennie Antacids for Heartburn Relief Cover #TOP 3
Rennie Antacids for Heartburn Relief
ftb score rating icon 9.5

Top 10 Rennie Antacids

Rennie Peppermint Antacids for Heartburn Relief

Rennie
Peppermint
Rennie Peppermint Antacids for Heartburn Relief Cover
Rennie Antacids, Peppermint Flavour, 96 Count (Pack of 1)

Rennie Peppermint Antacids are designed to quickly relieve the discomfort of heartburn and indigestion. By containing calcium carbonate and magnesium carbonate, these tablets effectively neutralise excess stomach acid, turning it into harmless substances. You can easily take 1 to 2 tablets initially, with the option to repeat this up to 3-4 times a day. This product is also suitable for those who are pregnant or breastfeeding, provided you consult your doctor or pharmacist beforehand. With Rennie, you can enjoy relief from stomach discomfort with ease.

What We Like
Fast relief from heartburn
Neutralises stomach acid effectively
Safe during pregnancy
Easy-to-take tablets
#TOP 2

Rennie Peppermint Antacids for Heartburn Relief

Rennie
4396166
Rennie Peppermint Antacids for Heartburn Relief Cover
Rennie Antacids, Peppermint Flavour Heartburn Relief and Indigestion Tablets, Fast and Effective Relief for Acid Reflux, 4 Packs of 96 (384 total)

Rennie Peppermint Antacids provide fast and effective relief for heartburn, indigestion, and acid reflux. These chewable tablets are perfect for on-the-go use, allowing you to tackle discomfort whenever it strikes. With their unique formula, Rennie antacids convert excess stomach acid into harmless substances, bringing you quick relief. With over 90 years of experience, you can trust that these tablets are a reliable choice for managing your symptoms, day or night.

What We Like
Fast heartburn relief
Convenient chewable format
Suitable for vegans
Safe during pregnancy
Effective for all ages 12
#TOP 3

Rennie Antacids for Heartburn Relief

Rennie
Spearmint
Rennie Antacids for Heartburn Relief Cover
Rennie Antacids, Spearmint Flavour, 96 Count (Pack of 1)

Rennie Antacids are designed to quickly alleviate heartburn and indigestion symptoms. They contain two effective antacids, calcium carbonate and magnesium carbonate, which work by neutralising excess stomach acid, turning it into water and other natural substances. You can take 1 to 2 tablets at a time, up to four times a day, providing you with convenient relief whenever needed. Additionally, these tablets are suitable for use during pregnancy and breastfeeding, although it is advisable to consult with a healthcare professional first.

What We Like
Fast relief from heartburn
Neutralises excess stomach acid
Suitable for pregnancy
Easy to take dosage
#TOP 4

Rennie Antacids for Heartburn Relief

Rennie
REN08
Rennie Antacids for Heartburn Relief Cover
Rennie Antacids, Spearmint Flavour, 72 Count (Pack of 1)

Rennie Antacids offer fast and effective relief from heartburn, indigestion, and acid reflux, helping you neutralise excess stomach acid. These chewable spearmint tablets are perfect for on-the-go use, providing convenience when you need it most. They work by converting excess stomach acid into water and other natural substances, making them a gentle option for your digestive issues. Additionally, these tablets are suitable for vegans and children aged 12 and over, ensuring that more people can benefit from their soothing effects.

What We Like
Fast relief from heartburn
Convenient chewable tablets
Vegan-friendly
Suitable for older children
#TOP 5

Rennie Spearmint Antacids for Heartburn Relief

Rennie
4396417
Rennie Spearmint Antacids for Heartburn Relief Cover
Rennie Antacids, Spearmint Flavour Heartburn Relief and Indigestion Tablets, Fast and Effective Relief for Acid Reflux, 4 Packs of 96 Tablets

Rennie Antacids offer fast and effective relief from heartburn, indigestion, and acid reflux. These chewable spearmint tablets are perfect for on-the-go relief, allowing you to tackle discomfort anytime, anywhere. With the ability to neutralise excess stomach acid, you can trust that one to two tablets can ease your symptoms throughout the day. With over 86 years of experience, Rennie is a leading brand in the UK for heartburn relief, ensuring you receive a reliable solution. Plus, they are suitable for vegans and can be used during pregnancy and breastfeeding.

What We Like
Fast heartburn relief
Chewable for convenience
Neutralises stomach acid
Suitable for vegans
Trusted brand for over 86 years
#TOP 6

Rennie Orange Antacids for Heartburn Relief

Rennie
BY-80592701X6-FBL
Rennie Orange Antacids for Heartburn Relief Cover
Rennie Orange - Antacids, Heartburn Relief and Indigestion Tablets, Fast and Effective Relief for Acid Reflux - 144 Tablets (6 Pack of 24 Tablets)

Rennie Orange Antacids provide swift relief from heartburn, indigestion, and acid reflux. With their fast-acting formula, you can experience comfort within minutes, making them ideal for those busy moments. Each tablet contains calcium carbonate, which effectively neutralises excess stomach acid, helping to alleviate discomfort. These tablets are specifically formulated to tackle common digestive issues, ensuring you feel at ease throughout your day.

What We Like
Fast-acting relief
Effective acid neutralisation
Comprehensive digestive comfort
Convenient for on-the-go use
Trusted brand choice
#TOP 7

Rennie Orange Indigestion Relief Pack of 48

Rennie
X1-1T3Z-WKIO
Rennie Orange Indigestion Relief Pack of 48 Cover
Rennie Indigestion and Heartburn Relief (Orange 2 x 24 Pack)

Rennie Indigestion Relief offers effective relief from heartburn and indigestion. This convenient 2 x 24 pack ensures that you have plenty of tablets on hand whenever discomfort strikes. With its orange flavour, taking these antacids becomes a more pleasant experience. Each tablet works quickly to neutralise stomach acid, providing you with fast-acting relief when you need it most. Whether at home or on the go, this product helps you manage your symptoms effectively.

What We Like
Fast-acting relief
Pleasant orange flavour
Convenient pack size
Effective antacid
#TOP 8

Rennie Deflatine for Bloating and Heartburn

Rennie
4396042
White
Rennie Deflatine for Bloating and Heartburn Cover
Rennie Deflatine, Trapped Wind and Bloating Tablets, Fast and Effective Heartburn Relief and Indigestion Relief, Sugar Free Mint, 1 Pack of 36 Tablets

Rennie Deflatine Tablets offer fast and effective relief for heartburn, indigestion, and acid reflux. These chewable, sugar-free tablets are perfect for on-the-go convenience, allowing you to tackle discomfort anytime. With over 90 years of expertise, you can trust their ability to neutralise excess stomach acid effectively. Suitable for pregnant women and vegans, these tablets can be taken day or night, making them a versatile choice for those seeking quick relief from digestive issues.

What We Like
Fast relief from heartburn
Chewable and sugar-free
Trusted brand for over 90 years
Suitable for pregnancy and vegans
#TOP 9

Rennie Sugar Free Antacid Tablets for Relief

Rennie
BY-4396433X6-FBL
Rennie Sugar Free Antacid Tablets for Relief Cover
Rennie Sugar Free - Fast & Effective Relief for Heartburn & Indigestion - 144 Chewable Tables (6 Pack of 24 Tables)

Rennie Sugar Free Tablets provide rapid relief from heartburn, indigestion, and acid reflux, with effects noticeable within minutes. Their dual antacid formula, featuring calcium carbonate and magnesium carbonate, works effectively to neutralise excess stomach acid, helping you feel comfortable again. Designed specifically for digestive discomfort, these tablets offer a convenient on-the-go solution, allowing you to manage symptoms anytime, anywhere. With trusted relief, you can rely on Rennie Sugar Free Tablets to deliver consistent comfort whenever you need it.

What We Like
Fast-acting relief
Dual antacid formula
Convenient for on-the-go
Trusted brand
#TOP 10

Rennie Dual Action Antacids for Heartburn Relief

Rennie
NPI018719
White
Rennie Dual Action Antacids for Heartburn Relief Cover
Rennie Dual Action - Antacids, Heartburn Relief and Indigestion Tablets - Fast, Powerful Relief, Gets to Work in 2 Minutes - 72 Tablets (3 Pack of 24 Tablets)

Rennie Dual Action provides quick relief from heartburn and acid indigestion, taking effect in just two minutes. The powerful formula not only neutralises excess stomach acid but also creates a protective barrier to prevent acid from rising. This dual action means you can find comfort from painful symptoms efficiently. For best results, simply chew two tablets after meals or before bed, ensuring you have the relief you need when it matters most.

What We Like
Fast relief in 2 minutes
Dual action formula
Easy to use tablets
Long-lasting relief
Suitable for adults and teens
Buying Guide Image
Editor's Notes

During our Rennie antacid research, we found 29 Rennie antacid products and shortlisted 10 quality products. We collected and analyzed 90,505 customer reviews through our big data system to write the Rennie antacids list. We found that most customers choose Rennie antacids with an average price of £12.66.

The Rennie antacids are available for purchase. The top 10 picks range in price from a low of £5.00 to a high of £23.00, find the one that fits your budget.

Written by
Phoebe Cooper Avatar

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."