Calcium Carbonate
Tablet, Chewable · Oral
Active ingredient
Active ingredient (In Each Tablet) Calcium Carbonate USP 500mg
Purpose
Purpose Antacid
Uses
Use temporarily relieves:
• Heartburn
• Sour Stomach
• Acid Indigestion
• Upset Stomach Associated With These Symptoms
Warnings
Warnings Ask a doctor before use if you have
• kidney disease
• taking any prescription drugs; antacids may interact with certain prescription drugs When using this product do not take more than 15 tablets in a 24 hour period or use the maximum dosage of this product for more than 2 weeks. If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children.
Ask a doctor before use
Ask a doctor before use if you have
• kidney disease
• taking any prescription drugs; antacids may interact with certain prescription drugs
When using this product
When using this product do not take more than 15 tablets in a 24 hour period or use the maximum dosage of this product for more than 2 weeks.
Pregnancy or breast-feeding
If pregnant or breast-feeding, ask a health professional before use.
Keep out of reach of children
Keep out of reach of children.
Directions
Directions Chew 2-4 tablets as symptoms occur, repeat hourly if needed
Other information
Other Information
• do not use if packet is opened or torn
• Store at controlled room temperature 15° to 30° C (59° to 86° F)
• Calcium content per tablet: 200mg
Inactive ingredients
Inactive Ingredients FD&C yellow #6 aluminum lake, magnesium stearate, maltodextrin, orange flavor, sorbitol
Questions?
Questions? 1-866-651-3660 Monday-Friday 8:00am-5:00pm EST
Label text from the FDA structured product label by Cardinal Health 107, LLC (revised Apr 27, 2026). Long sections are shortened; the complete label is on DailyMed.
Active ingredients
- Calcium Carbonate in 11 products
Calcium Carbonate NDC products (11)
| NDC | Strength & form | Labeler | Type |
|---|---|---|---|
| 69168-036 | Calcium Carbonate 420 mg/1 Tablet, Chewable | Allegiant Health | OTC MONOGRAPH DRUG |
| 69168-124 | Calcium Carbonate 500 mg/1 Tablet, Chewable | Allegiant Health | OTC MONOGRAPH DRUG |
| 17856-3117 | Calcium Carbonate 1250 mg/5mL Suspension | Atlantic Biologicals Corps | OTC MONOGRAPH DRUG |
| 51376-127 | Calcium Carbonate 500 mg/1 Tablet, Chewable | Blessings International | OTC MONOGRAPH DRUG |
| 55154-6751 | Calcium Carbonate 500 mg/1 Tablet, Chewable | Cardinal Health 107, LLC | OTC MONOGRAPH DRUG |
| 70369-004 | Calcium Carbonate 648 mg/1 Tablet | CitraGen Pharmaceuticals, Inc. | OTC MONOGRAPH DRUG |
| 70369-005 | Calcium Carbonate 1250 mg/1 Tablet | CitraGen Pharmaceuticals, Inc. | OTC MONOGRAPH DRUG |
| 0395-0431 | Calcium Carbonate 1 g/g Powder | Humco Holding Group, Inc. | OTC MONOGRAPH DRUG |
| 68071-2258 | Calcium Carbonate 500 mg/1 Tablet, Chewable | NuCare Pharmaceuticals,Inc. | OTC MONOGRAPH DRUG |
| 0121-0766 | Calcium Carbonate 1250 mg/5mL Suspension | PAI Holdings, LLC dba PAI Pharma | OTC MONOGRAPH DRUG |
| 0121-4766 | Calcium Carbonate 1250 mg/5mL Suspension | PAI Holdings, LLC dba PAI Pharma | OTC MONOGRAPH DRUG |
Frequently asked questions
What is Calcium Carbonate used for?
Use temporarily relieves: • Heartburn • Sour Stomach • Acid Indigestion • Upset Stomach Associated With These Symptoms
Who makes Calcium Carbonate?
Calcium Carbonate is listed by 8 labelers in the FDA NDC directory, including Allegiant Health, Atlantic Biologicals Corps, Blessings International, Cardinal Health 107, LLC.