Extra Strength

aluminum hydroxide and magnesium carbonate · Tablet, Chewable · Oral, Topical

Over the counter Blood Coagulation Factor Phosphate Binder Copper Absorption Inhibitor

Active ingredient

Active ingredient (per tablet) Calcium Carbonate USP 750mg

Purpose

Purpose Antacid

Uses

Uses relieves
• heartburn
• sour stomach
• acid indigestion
• upset stomach associated with these symptoms

Warnings

Warnings Ask a doctor or pharmacist before use if you are presently taking a prescription drug. Antacids may interact with certain prescription drugs. When using this product
• do not take more than 10 tablets in 24 hours
• if pregnant do not take more than 6 tablets in 24 hours
• do not use the maximum dosage for more than 2 weeks except under the advice and supervision of a doctor Keep out of reach of children.

Ask a doctor or pharmacist

Ask a doctor or pharmacist before use if you are presently taking a prescription drug. Antacids may interact with certain prescription drugs.

When using this product

When using this product
• do not take more than 10 tablets in 24 hours
• if pregnant do not take more than 6 tablets in 24 hours
• do not use the maximum dosage for more than 2 weeks except under the advice and supervision of a doctor

Keep out of reach of children

Keep out of reach of children.

Directions

Directions
• adults and children 12 years of age and over: chew 2-4 tablets as symptoms occur, or as directed by a doctor. Do not swallow tablets whole.
• do not take for symptoms that persist for more than 2 weeks unless advised by a doctor

Other information

Other information
• each tablet contains: calcium 300mg
• store at room temperature. Keep the container tightly closed DO NOT USE IF PRINTED SEAL UNDER CAP IS TORN OR MISSING

Inactive ingredients

Inactive ingredients D&C Yellow No. 10, dextrose, FD&C Blue No. 1, flavor, magnesium stearate, maltodextrin, starch, sucralose

Questions?

Questions or comments? 1-866-467-2748

Label text from the FDA structured product label by CVS PHARMACY (revised Aug 12, 2026). Long sections are shortened; the complete label is on DailyMed.

Active ingredients

Extra Strength NDC products (14)

NDCStrength & formLabelerType
21130-201Calcium Carbonate 750 mg/1
Tablet, Chewable		BETTER LIVING BRANDS, LLCOTC MONOGRAPH DRUG
68391-102Calcium Carbonate 750 mg/1
Tablet, Chewable		BJWCOTC MONOGRAPH DRUG
51316-021Calcium Carbonate 750 mg/1
Tablet, Chewable		CVS PHARMACYOTC MONOGRAPH DRUG
55505-225Dimethicone, Unspecified 125 mg/5mL
Liquid		KRAMER LABORATORIESOTC MONOGRAPH DRUG
69204-027Menthol 94.41 mg/mL; Methyl Salicylate 123.74 mg/mL
Oil		NATURES FORMULAE HEALTH PRODUCTS LTD.OTC MONOGRAPH DRUG
68163-700Dimethicone, Unspecified 125 mg/5mL
Liquid		Raritan Pharmaceuticals IncOTC MONOGRAPH DRUG
11822-1039Calcium Carbonate 750 mg/1
Tablet, Chewable		RITE AID CORPORATIONOTC MONOGRAPH DRUG
21130-203Calcium Carbonate 750 mg/1
Tablet, Chewable		SAFEWAYOTC MONOGRAPH DRUG
21130-207Calcium Carbonate 750 mg/1
Tablet, Chewable		SAFEWAYOTC MONOGRAPH DRUG
21130-209Calcium Carbonate 750 mg/1
Tablet, Chewable		SAFEWAYOTC MONOGRAPH DRUG
70983-023Menthol 94.41 mg/mL; Methyl Salicylate 123.74 mg/mL
Oil		Saje Natural Business Inc.OTC MONOGRAPH DRUG
11673-699Calcium Carbonate 750 mg/1
Tablet, Chewable		Target CorporationOTC MONOGRAPH DRUG
11673-814Aluminum Hydroxide 160 mg/1; Magnesium Carbonate 105 mg/1
Tablet, Chewable		TARGET CORPORATIONOTC MONOGRAPH DRUG
52000-071Diphenhydramine Hydrochloride 20 mg/g; Zinc Acetate 1 mg/g
Cream		Universal Distribution Centre LLCOTC MONOGRAPH DRUG

Frequently asked questions

What is Extra Strength used for?

Uses relieves • heartburn • sour stomach • acid indigestion • upset stomach associated with these symptoms

Who makes Extra Strength?

Extra Strength is listed by 12 labelers in the FDA NDC directory, including BETTER LIVING BRANDS, LLC, BJWC, CVS PHARMACY, KRAMER LABORATORIES.