Gaviscon Double Action Liquid - 300ml
Gaviscon Double Action Liquid - 300ml
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Dual relief from heartburn and indigestion with fast-acting acid neutralisation and reflux protection.
Always read the label before use.
Key Benefits
✔ Double action formula
✔ Neutralises excess stomach acid
✔ Forms a protective barrier against reflux
✔ Fast and effective relief
✔ Convenient 300ml bottle
Full Product Description
Gaviscon Double Action Liquid 300ml provides fast and effective relief from:
- Heartburn
- Acid reflux
- Indigestion
- Acid regurgitation
- Bloating caused by excess stomach acid
Its double action formula works in two ways — helping neutralise excess acid while also forming a protective barrier to prevent acid rising into the oesophagus.
Ideal for those who need both rapid symptom relief and reflux protection.
How It Works
Gaviscon Double Action contains:
- Sodium Alginate
- Sodium Bicarbonate
- Calcium Carbonate
It works by:
- Neutralising excess stomach acid to relieve discomfort.
- Forming a protective “raft” on top of stomach contents to help prevent reflux.
This provides fast symptom relief and protective action.
Directions for Use
For oral use.
Adults and children over 12 years:
- Take 10–20ml after meals and at bedtime (up to four times daily).
Children under 12 years:
- Only on medical advice.
Shake well before use.
Do not exceed the stated dose.
Ingredients
Active ingredients:
- Sodium Alginate
- Sodium Bicarbonate
- Calcium Carbonate
See packaging for full ingredient list and sodium content details.
Who It’s Suitable For
Adults
Children over 12 years
Individuals experiencing heartburn or acid reflux
Those suffering from indigestion
Who Should Not Use This Product
Children under 12 years unless advised by a healthcare professional.
Anyone allergic to any listed ingredients.
Consult a healthcare professional before use if you:
- Are on a restricted sodium diet
- Have kidney problems
- Are pregnant or breastfeeding
⚠ Warnings & Safety Information
Contains sodium — consider if on a controlled salt diet.
If symptoms persist after 7 days, consult a healthcare professional.
Do not exceed the recommended dose.
Keep out of sight and reach of children.
Always read the label before use.
Storage Instructions
Store below 30°C.
Do not refrigerate or freeze.
Keep bottle tightly closed.
FAQs
What does “Double Action” mean?
It both neutralises stomach acid and forms a protective barrier against reflux.
How often can I take it?
Up to four times daily after meals and at bedtime.
Does it work quickly?
Yes, it provides fast relief from heartburn and indigestion.
Is it suitable for frequent reflux?
Consult a healthcare professional if symptoms are ongoing.
Delivery Details
Delivery Details
Delivery Areas
We currently deliver to UK mainland addresses only.
- International shipping is not available at this time
- Delivery to certain remote or restricted postcodes may take longer
Delivery Options & Times
Estimated delivery times are shown at checkout and may include:
- Standard Delivery: 2–5 working days
- Express Delivery (where available): 1–2 working days
Delivery times are estimates and may vary due to courier delays, weather conditions, or peak periods.

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