Major Regular Strength
Antacid Tablets · Tablet, Chewable · Oral
Active ingredient
Active ingredient Calcium Carbonate USP 500mg
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 15 tablets in 24 hours
• If pregnant do not take more than 10 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.
Inactive ingredients
Inactive ingredients adipic acid, D&C Red No.27 lake, D&C Yellow No.10 lake, dextrose, FD&C Blue No.1 lake, FD&C Yellow No.6 lake, flavors, magnesium stearate, maltodextrin, starch, sucralose.
Label text from the FDA structured product label by Major Pharmaceuticals (revised Jul 13, 2026). Long sections are shortened; the complete label is on DailyMed.
Active ingredients
- Calcium Carbonate in 1 product
Major Regular Strength NDC products (1)
| NDC | Strength & form | Labeler | Type |
|---|---|---|---|
| 0904-6412 | Calcium Carbonate 500 mg/1 Tablet, Chewable | Major Pharmaceuticals | OTC MONOGRAPH DRUG |
Frequently asked questions
What is Major Regular Strength used for?
Uses relieves: • heartburn • sour stomach • acid indigestion • upset stomach associated with these symptoms
Who makes Major Regular Strength?
Major Regular Strength is listed by 1 labeler in the FDA NDC directory, including Major Pharmaceuticals.