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Peptac Liquid Peppermint 500ml

  • Peptac Liquid Peppermint relieves heartburn, acid reflux, and indigestion.
  • Works by neutralising stomach acid and forming a protective barrier to stop reflux.
  • Suitable for adults and children aged 6 years and over, but may not be right for everyone.
  • Buy online from a licensed UK pharmacy.
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In stock

£5.99
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Fast & Free Delivery Options

Variety of delivery options including next day & free delivery.

100% UK-based Pharmacy

Pharmacy, clinic and prescribers based in Greater Manchester.

Free Online Consultations

Start your treatment with a quick and free online consultation.

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About Peptac Liquid Peppermint

Medication Name Peptac Liquid Peppermint
Type and Form of Medicine Oral suspension
What it Does Relieves heartburn, indigestion, and acid reflux
Active Ingredients Sodium alginate, sodium bicarbonate, calcium carbonate
Strength Each 10ml contains sodium alginate 500mg, sodium bicarbonate 267mg, calcium carbonate 160mg
Size 500ml bottle
Patient Information Leaflet Click here

What is Peptac Liquid Peppermint?

Peptac Liquid Peppermint is an over-the-counter treatment for heartburn, indigestion, and acid reflux. It works by forming a protective barrier on stomach contents, preventing acid from rising into the food pipe.

What is Peptac Liquid Peppermint used for?

  • Heartburn and acid reflux
  • Indigestion (dyspepsia)
  • Discomfort after meals or during pregnancy
  • Symptoms of gastro-oesophageal reflux disease (GORD)

How does Peptac Liquid Peppermint work?

  • Sodium alginate: Forms a “raft” on top of stomach contents to block reflux.
  • Sodium bicarbonate & calcium carbonate: Neutralise excess stomach acid for rapid relief.

Who is Peptac Liquid Peppermint suitable for?

Suitable for adults and children aged 6 years and over.

Not suitable if you:

  • Are allergic to alginates, bicarbonates, or other ingredients
  • Have kidney or heart problems
  • Are on a strict low-sodium diet
  • Are under 6 years old

How to take Peptac Liquid Peppermint

  1. Shake the bottle well before use.
  2. Adults and children over 12: Take 10–20ml after meals and at bedtime, up to 4 times daily.
  3. Children 6–12: Take 5–10ml after meals and at bedtime, up to 4 times daily.
  4. Leave 2 hours between Peptac and other medicines.
  5. Do not exceed the recommended dose.

Peptac Liquid Peppermint Side Effects

Peptac is generally well tolerated. Side effects are very rare but may include:

  • Allergic reactions such as rash, itching, swelling, or wheezing

Stop taking and seek medical advice immediately if you experience allergic symptoms.

Peptac Liquid Peppermint Ingredients

Active Ingredients (per 10ml): Sodium alginate 500mg, sodium bicarbonate 267mg, calcium carbonate 160mg.

Other Ingredients: Carbomer, sodium hydroxide, saccharin sodium, ethyl (E214), propyl (E216) and butyl parahydroxybenzoates, isopropyl alcohol, peppermint oil, purified water.

Important Information

  • Do not exceed the stated dose.
  • Each 10ml contains about 6mmol sodium (≈138mg) and 160mg calcium.
  • Safe to use during pregnancy and breastfeeding if clinically needed.
  • If symptoms persist after 7 days, seek medical advice.
  • Store below 25°C. Do not refrigerate or freeze. Keep out of sight and reach of children.

Peptac Liquid Peppermint 500ml Reviews

FAQs


Peptac is used to relieve heartburn, acid reflux and indigestion, including reflux in pregnancy.

Peptac acts rapidly, forming a protective raft on the stomach contents to help stop acid travelling back up the oesophagus.

Yes — Peptac can be used during pregnancy if clinically needed. If symptoms are frequent or severe, speak to your midwife, GP or pharmacist.

Yes — for children aged 6–12 years, the dose is 5–10 ml after meals and at bedtime, up to 4 times daily. Under 6 years is not recommended.

Leave a 2-hour gap between Peptac and other oral medicines to avoid interactions.

No — Peptac Peppermint Liquid is sugar-free and gluten-free.

Each 10 ml contains about 6 mmol of sodium (salt). If you are on a low-salt diet, seek advice before use.

Store below 25 °C and do not refrigerate or freeze. Keep out of the sight and reach of children.

Our Experienced UK-based Pharmacy Team

Clinical Consultant
MUDr, MRCEM, EBCEM, FRCEM
GMC no. 7176414

Pharmacist
MPharm
GPhC no. 2065469

Pharmacist
MPharm
GPhC no. 2046514

Page content authored by Amjad Khan, last reviewed by Muhammad on 15th September 2025.

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