Gaviscon Double Action Mint Flavour Oral Suspension is not explicitly labeled as sugar-free in the available product information.

• The product contains active ingredients like calcium carbonate, alginic acid, and sodium bicarbonate, but there is no clear mention of sugar content or a sugar-free claim.
• To be certain about sugar content, it is best to check the product packaging or label directly, as manufacturers usually list sugar or sweeteners there.
• If you have concerns about sugar intake due to health reasons, consulting a pharmacist or your doctor can provide personalized advice and help you choose the most suitable option.

For any further questions or if symptoms persist, please consult a doctor.