The short version
10 companies supply this market — deep enough that no single failure threatens the supply.
The numbers behind every sentence are on this page below — and the Watch button emails you when any of them move.
Antacid · CALCIUM CARBONATE 750 mg/1 · Tablet, Chewable · Oral · Target Corporation
NDC 11673-0699-96 · 96 TABLET, CHEWABLE in 1 BOTTLE, PLASTIC · OTC MONOGRAPH DRUG · View full market →
10 companies supply this market — deep enough that no single failure threatens the supply.
The numbers behind every sentence are on this page below — and the Watch button emails you when any of them move.
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 →No NADAC pricing on file for this NDC — NADAC covers drugs dispensed by retail community pharmacies.
Not scored — fragility is computed for NADAC-priced NDCs.
sole-source market · price up 1% YoY
For scale: the typical drug’s chance is about 0.1% — this one is in ordinary territory.
Backtested statistical model over the whole market, not this package alone. Model details →
No FDA shortage reports for this drug or its presentations.
No enforcement reports list this package NDC.
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| Walgreen Co. | CALCIUM CARBONATE 1000 mg/1 | Jul 15, 2026 | Sep 3, 2026 |
| Walgreen Co. | CALCIUM CARBONATE 750 mg/1 | Jul 15, 2026 | Sep 3, 2026 |
| Allegiant Health | CALCIUM CARBONATE 500 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Cardinal Health | CALCIUM CARBONATE 750 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Cvs | CALCIUM CARBONATE 1000 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Cvs Pharmacy, Inc. | CALCIUM CARBONATE 750 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| CVS Pharmacy,Inc. | CALCIUM CARBONATE 750 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Quality Choice (Chain Drug Marketing Association) | CALCIUM CARBONATE 500 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Supervalu Inc | CALCIUM CARBONATE 500 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Supervalu Inc | CALCIUM CARBONATE 750 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Target Corporation | CALCIUM CARBONATE 1000 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Target Corporation | CALCIUM CARBONATE 750 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Wal-Mart Stores,Inc., | CALCIUM CARBONATE 750 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Wal-Mart Stores,Inc., | CALCIUM CARBONATE 500 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
| Walgreen Co. | CALCIUM CARBONATE 500 mg/1 | Jul 15, 2026 | Sep 2, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
DrugDashboards, "extra strength Tropical Fruit — NDC 11673-0699-96," retrieved September 3, 2026, https://drugdashboards.com/drug/11673069996.
Free to cite with attribution — see how the data is put together.