The short version
Just 2 companies supply this market — thin enough that a single exit would be felt immediately.
The numbers behind every sentence are on this page below — and the Watch button emails you when any of them move.
Rolaids Extra Strength Antacid Mint
Calcium carbonate and Magnesium hydroxide · CALCIUM CARBONATE 675 mg/1; MAGNESIUM HYDROXIDE 135 mg/1 · Tablet, Chewable · Oral · The Procter & Gamble Manufacturing Company
NDC 69423-0827-03 · 3 PACKAGE in 1 CELLO PACK / 10 TABLET, CHEWABLE in 1 PACKAGE · OTC MONOGRAPH DRUG · View full market →
Medicare Part D
Medicare Part D does not cover over-the-counter drugs — by law it pays only for products requiring a prescription.
How Part D pricing works →NADAC price per unit
No NADAC pricing on file for this NDC — NADAC covers drugs dispensed by retail community pharmacies.
Supply fragility
Not scored — fragility is computed for NADAC-priced NDCs.
Is this a "specialty" drug?
There's no legal definition — it meets 1 of 6 public criteria. Why that matters →
- Part D specialty tier
- Costs ≥ $950/fill
- Biologic (BLA)
- Injectable / infused
- Orphan-drug exclusivity
- REMS program · Xywav and Xyrem
Regulatory
- Application
- M001
- TE code
- —
- Approval date
- —
- Patents / exclusivity
- None on file
Shortage history
No FDA shortage reports for this drug or its presentations.
Recalls (this NDC)
No enforcement reports list this package NDC.
Manufacturers of Calcium carbonate and Magnesium hydroxide (Tablet, Chewable)
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| The Procter & Gamble Manufacturing Company | CALCIUM CARBONATE 675 mg/1; MAGNESIUM HYDROXIDE 135 mg/1 | Jul 15, 2026 | Sep 3, 2026 |
| Chattem, Inc. | CALCIUM CARBONATE 1000 mg/1; MAGNESIUM HYDROXIDE 200 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Chattem, Inc. | CALCIUM CARBONATE 1330 mg/1; MAGNESIUM HYDROXIDE 235 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Chattem, Inc. | CALCIUM CARBONATE 675 mg/1; MAGNESIUM HYDROXIDE 135 mg/1 | Jul 15, 2026 | Aug 31, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
Cite this page
DrugDashboards, "Rolaids Extra Strength Antacid Mint — NDC 69423-0827-03," retrieved September 3, 2026, https://drugdashboards.com/drug/69423082703.
Free to cite with attribution — see how the data is put together.