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Active ingredient

Calcium Carbonate

552 finished FDA listings contain Calcium Carbonate as their only active ingredient; 191 combination products also contain it.

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FDA NDC Directory

Ingredient names as written by FDA
CALCIUM CARBONATE
Dosage forms
Bar, Chewable, Capsule, Gum, Chewing, Liquid, Lozenge, Powder, Suspension, Tablet, Tablet, Chewable, Tablet, Soluble
Routes
Oral, Topical
Manufacturers / labelers
178
Strengths listed
1 g/g · 1000 mg/1 · 1177 mg/1 · 1250 mg/1 · 1250 mg/5ml · 1500 mg/1 · 200 mg/7g · 200.4 mg/600mg · 250 mg/1 · 3 mg/100ml · 400 mg/1 · 400 mg/5ml · 420 mg/1 · 500 mg/1 · 500 mg/g · 55 mg/500mg · 6 [hp_x]/6[hp_x] · 6 [hp_x]/60mg · 648 mg/1 · 750 mg/1 · 90 mg/500mg
Brand names in FDA listings (first 80 of 365, A–Z)
Alka-Seltzer Cool Action Extra Strength Reliefchews Mint, Alka-Seltzer Cool Action Heartburn Relief Mint, Alka-Seltzer Extra Strength Heartburn Reliefchews, Alka-Seltzer Heartburn Relief Peppermint, Alka-Seltzer Heartburn Reliefchews, Alka-Seltzer Heartburn Reliefchews Strawberry And Orange, Alka-Seltzer Ultra Strength Heartburn Reliefchews, Alka-Seltzer Ultra Strength Heartburn Reliefchews Strawberry And Orange, Alkums Antacid, Amazon Basics Cherry Antacid Sc, Amazon Ultra Strength Antacid, Amazon Ultra Strength Tropical Fruit, Antacid, Antacid Childrens, Antacid Extra Strength, Antacid Extra Strength Assorted Berry, Antacid Extra Strength Wintergreen, Antacid Flavor Chew, Antacid Flavor Chews, Antacid Fruit Chews, Antacid Melts, Antacid Peppermint Flavour Regular Strength, Antacid Regular Strength, Antacid Relief, Antacid Soft Chew, Antacid Ultra Strength, Antacid Ultra Strength Assorted Fruits, Antacid- Calcium Carbonate, Assorted Fruit Antacid Chews, Assorted Fruit Antacid Flavor Chews, Basic Care Antacid Fruit Chews, Belmora Melox Agrura, Berkley Jensen Ultra Strength, Best Choice Assorted Fruit, Best Choice Extra Strength, Best Choice Extra Strength Assorted Berry, Best Choice Extra Strength Tropical Fruit, Best Choice Regular Strength, Best Choice Ultra Strength, Bestmade Natural Products Calcium Carbonate (Calc Carb), Bi-Mart Extra Strength Antacid Assorted Berry, Bi-Mart Extra Strength Antacid Assorted Fruit, Bi-Mart Regular Strength Antacid, Bi-Mart Regular Strength Antacid Peppermint, Bi-Mart Ultra Strength Antacid Assorted Fruit, Bi-Mart Ultra Strength Antacid Peppermint, Bm Calcium Carbonate (Calc Carb), Calcium Antacid, Calcium Antacidextra Strength Extra Strength, Calcium Carbonate, Calcium Carbonate 10 Gr (648 Mg), Calcium Carbonate 10 Gr (648 Mg) (Antacid), Calcium Carbonate 1000 Mg, Calcium Carbonate 1250 Mg, Calcium Carbonate 500 Mg, Calcium Carbonate 750 Mg, Calcium Carbonate Antacid Assorted Berries, Calcium Carbonate Assorted Flavors, Calcium Carbonate Chewable Antacid, Cardinal Extra Strength Smooth Antacid Assorted Fruits, Cardinalextra Strength Antacid Wintergreen Flavor, Careone Extra Strength Assorted Fruits, Careone Regular Strength Calcium Antacid, Caring Mill Antacid, Cherry Antacid, Cherry Antacid Relief Chew, Cherry Antacid Soft Chew, Cherry Antacid Soft Chews, Childrens Antacid, Childrens Antacid Extra Strength, Childrens Stomach Relief, Childrens Stomach Relief Antacid, Childrens Tummy Relief, Chooz, Citrus Flavored Antacid, Cvs Extra Strength Smooth, Cvs Health Extra Strength Sugar Free, Cvs Health Extra Strength Sugar Free Antacid, Cvs Health Ultra Strength Natural Antacid Peppermint Flavor, Cvs Naturals

RxNorm (National Library of Medicine)

Ingredient concept RxCUI 1897

Drugs@FDA applications

Linked only where the FDA listing’s application number matches Drugs@FDA exactly. A listing in the NDC Directory does not by itself mean FDA approval.

No matching Drugs@FDA applications.

Official labeling on DailyMed

Showing the 12 most recent of 497 labels.

Sources: FDA NDC Directory (2026-09-29), RxNorm, Drugs@FDA, DailyMed. Each source’s facts are shown separately as published.