Rennie

For more than 90 years, Rennie has been helping people get over the symptoms of heartburn and indigestion, allowing them to rekindle their love for food.

At the heart of Rennie's success lies a commitment to growth and adaptation across the decades. They continuously strive to provide you with fast and efficient relief from heartburn, indigestion, and trapped wind. Their range of formats and flavours ensure that you have the flexibility to choose the Rennie product that best suits your preferences, offering a tailored approach to digestive well-being.

Choose Rennie and rediscover the joy of savouring your favourite foods without the worry of discomfort.

Rennie Deflatine
£8.49
8 reviews
save £1.00
Rennie Deflatine
Rennie Liquid Heartburn Relief 150ml
£4.69
save £2.00
Rennie Liquid Heartburn Relief 150ml
Rennie Sugar Free Spearmint Flavour Chewable Tablets (36)
£4.69
save £2.00
Rennie Sugar Free Spearmint Flavour Chewable Tablets (36)

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“Excellent”
Based on over 24,000 reviews
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Run by experienced health care professionals

"We think accessing healthcare should be easy. Whether we're fulfilling NHS prescriptions or helping people find the right treatments, we aim to offer our customers dependable, economical and convenient access to medicines with a personal and discreet service."

Scott McDougall & Andy Boysan, Co-Founders and lead pharmacists

Meet our team

Our experienced clinical team are passionate about providing an excellent digital healthcare service.

9
qualified pharmacists on the team
150+
years experience across the team

Advice for Rennie

Ultimate Guide to Rennie

What is Rennie?

Rennie is an antacid medication that is widely used to alleviate symptoms of heartburn and indigestion. It comes in the form of chewable tablets that contain active ingredients specifically formulated to neutralise excess stomach acid.

Furthermore, Rennie is not only effective in providing immediate relief but also in preventing future episodes of heartburn and indigestion. By creating a protective barrier in the stomach, Rennie helps to maintain a healthy digestive balance, allowing individuals to enjoy their favourite foods without discomfort.

The History of Rennie

The history of Rennie dates back to its initial development in the late 1920s. It was first introduced to the market as a solution to help individuals find relief from common digestive issues. Over the years, Rennie has become a trusted brand known for its effectiveness and safety.

Since its inception, Rennie has undergone continuous research and development to enhance its efficacy and ensure its compatibility with modern lifestyles. Its enduring legacy as a go-to antacid reflects the dedication of its creators to provide reliable and innovative solutions for digestive health.

Rennie Sugar Free Spearmint Flavour Chewable Tablets

The Science Behind Rennie

How Does Rennie Work?

Rennie works by neutralising excess stomach acid, which is often the root cause of heartburn and indigestion. The active ingredients in Rennie, such as calcium carbonate and magnesium carbonate, react with the acid in the stomach to form neutral substances, providing immediate relief.

Moreover, Rennie's effectiveness can be attributed to its dual-action formula. While calcium carbonate swiftly tackles the acidic onslaught in the stomach, magnesium carbonate complements its efforts by further neutralising the pH levels. This synergistic approach ensures that Rennie not only provides rapid relief but also helps restore the natural balance within the digestive system, promoting overall comfort and well-being.