Turn Down the Heat with Rennie Antacids Heartburn and Indigestion Relief Tablets
Whether it’s triggered by a heavy, spicy meal, stress, or pregnancy, severe acid reflux can disrupt your day and derail your sleep. Rennie Antacids Heartburn and Indigestion Relief Tablets deliver rapid, trusted support when gastric distress flares up. Unlike slow-acting remedies, these chewable tablets are engineered to disintegrate rapidly in the mouth, sending immediate acid-neutralizing minerals down into your esophagus and stomach to eliminate painful symptoms instantly.
Dual-Action Mineral Chemistry That Works in 60 Seconds
Rennie’s time-tested formula relies on the synergy of two vital components: calcium carbonate and heavy magnesium carbonate. Operating as a premium fast acting stomach antacid, these minerals directly counteract the corrosive hydrochloric acid found inside your stomach. This biochemical reaction turns the irritating acids into harmless water and compounds, providing physical, cooling comfort to raw mucosal linings in under a minute.
Multi-Symptom Comfort for Diverse Digestive Ailments
This versatile formula is highly efficient at managing a wide scope of acid indigestion remedies. It doesn’t just manage standard acid reflux—it actively addresses a spectrum of gastrointestinal issues, making it an excellent all-in-one medicine cabinet addition. Reach for Rennie to comfortably alleviate:
- Burning sensations in the chest and throat (heartburn)
- Acid regurgitation and bitter tastes in the mouth
- Flatulence, bloating, and painful trapped wind
- Nervous indigestion, dyspepsia, and gastric fullness after over-indulgence
Safe for Use During Pregnancy
Due to hormonal adjustments and shifting physical pressure, expectant mothers frequently battle intense, recurring heartburn. These calcium carbonate chewable tabs are fully suitable for use during pregnancy and breast-feeding, providing safe, localized relief that functions without entering your systemic bloodstream or causing drowsiness.
🔑 Key Product Highlights
- Rapid Acid Neutralisation: Gets to work in under 60 seconds to soothe the esophagus and stomach.
- Convenient Chewable Format: No water required—simply chew or suck the smooth, minty tablets anywhere, anytime.
- Pregnancy Friendly: Safe for mothers navigating hormonal digestive issues (consult your pharmacist first).
- Dual-Mineral Core: Combines calcium and magnesium for strong, balanced antacid coverage.
⚙️ Specifications
| Feature | Details |
| Brand | Rennie (Bayer) |
| Product Format | Chewable / Suckable Square Tablets |
| Active Ingredients | Calcium Carbonate 680mg & Heavy Magnesium Carbonate 80mg |
| Flavor Profile | Refreshing Peppermint / Spearmint |
| Age Suitability | Adults and children aged 12 years and over |
❓ Frequently Asked Questions
How should I take Rennie Antacids?
Adults and children over 12 years should chew or suck 1 to 2 tablets as soon as symptoms occur, preferably 1 hour after meals and right before going to bed. If you experience an intense heartburn spike, you may take an extra 2 tablets between those times. Do not exceed 10 tablets in a single 24-hour period.
How long can I use these chewable heartburn tablets for?
Rennie is designed for short-term symptom management. If your symptoms show no improvement after 14 days of continuous use, please stop taking them and consult your doctor to rule out any underlying chronic digestive conditions.
Can children under 12 use this product?
No, this specific tablet strength is not recommended for children under the age of 12 unless explicitly advised by a qualified pediatrician.




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