Calcium Carbonate / Glycine
Calcium Carbonate/Glycine is a combination medication primarily used as an antacid to relieve symptoms of acid indigestion, heartburn, and upset stomach. The calcium carbonate works by neutralizing excess stomach acid, while glycine may help with buffering and absorption. This combination is commonly used when over-the-counter antacid relief is needed.
A combination antacid used to neutralize stomach acid and relieve indigestion and heartburn symptoms.
Key facts at a glance
- RxNorm
- 691008
- Generic
- Calcium Carbonate / Glycine
- Class
- multi-ingredient
- Brands
- —
- Availability
- rx
- Lactation
- unknown
- Routes
- —
- Forms
- —
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Relief of acid indigestion, heartburn, sour stomach, and symptoms of gastroesophageal reflux disease (GERD). May also serve as a calcium supplement for individuals with calcium deficiencies.
Calcium carbonate acts as a potent acid neutralizer, directly reacting with stomach acid (hydrochloric acid) to reduce acidity and provide rapid symptom relief. Glycine acts as a buffering agent, potentially enhancing the buffering capacity and helping maintain a more balanced pH environment in the stomach.
Should not be used by individuals with hypercalcemia, kidney stones, or kidney disease without medical supervision. May interact with certain medications including antibiotics (tetracyclines, fluoroquinolones) and iron supplements—take these medications at least 2 hours apart. Prolonged use or high doses may cause constipation or metabolic alkalosis. Consult a healthcare provider before use if pregnant, breastfeeding, or taking prescription medications.
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 28, 2026. · Read our editorial policy