The short version
14 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.
aluminum hydroxide, magnesium hydroxide, simethicone · ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 400 mg/10mL; DIMETHICONE 40 mg/10mL · Liquid · Oral · Retail Business Services, LLC.
NDC 72476-0503-05 · 355 mL in 1 BOTTLE · OTC MONOGRAPH DRUG · View full market →
14 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 2% 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 |
|---|---|---|---|
| Amerisourcebergen Drug Corporation | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 800 mg/10mL; DIMETHICONE 80 mg/10mL | Aug 26, 2026 | Sep 3, 2026 |
| Chain Drug Marketing Association Inc. | ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 400 mg/10mL; DIMETHICONE 40 mg/10mL | Aug 26, 2026 | Sep 3, 2026 |
| Harris Teeter, LLC | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 800 mg/10mL; DIMETHICONE 80 mg/10mL | Aug 26, 2026 | Sep 3, 2026 |
| Retail Business Services, LLC. | ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 400 mg/10mL; DIMETHICONE 40 mg/10mL | Aug 26, 2026 | Sep 3, 2026 |
| Topco Associates, LLC | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 800 mg/10mL; DIMETHICONE 80 mg/10mL | Aug 26, 2026 | Sep 3, 2026 |
| Belmora LLC | ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 400 mg/10mL; DIMETHICONE 40 mg/10mL | Aug 26, 2026 | Sep 2, 2026 |
| Chain Drug Marketing Association Inc. | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 800 mg/10mL; DIMETHICONE 80 mg/10mL | Aug 26, 2026 | Sep 2, 2026 |
| Dolgencorp, Llc | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 800 mg/10mL; DIMETHICONE 80 mg/10mL | Aug 26, 2026 | Sep 2, 2026 |
| Goodsense | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 800 mg/10mL; DIMETHICONE 80 mg/10mL | Aug 26, 2026 | Sep 2, 2026 |
| H E B | ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 400 mg/10mL; DIMETHICONE 40 mg/10mL | Aug 26, 2026 | Sep 2, 2026 |
| Harris Teeter, LLC | ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 400 mg/10mL; DIMETHICONE 40 mg/10mL | Aug 26, 2026 | Sep 2, 2026 |
| Kroger Company | ALUMINUM HYDROXIDE 400 mg/5mL; MAGNESIUM HYDROXIDE 400 mg/5mL; DIMETHICONE 40 mg/5mL | Aug 26, 2026 | Sep 2, 2026 |
| Preferred Pharmaceuticals Inc. | ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 400 mg/10mL; DIMETHICONE, UNSPECIFIED 40 mg/10mL | Aug 26, 2026 | Sep 2, 2026 |
| Retail Business Services, LLC. | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 800 mg/10mL; DIMETHICONE 80 mg/10mL | Aug 26, 2026 | Sep 2, 2026 |
| Rugby Laboratories | ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 400 mg/10mL; DIMETHICONE 40 mg/10mL | Aug 26, 2026 | Sep 2, 2026 |
| Topco Associates, LLC | ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 400 mg/10mL; DIMETHICONE 40 mg/10mL | Aug 26, 2026 | Sep 2, 2026 |
| United Natural Foods, Inc. Dba Unfi | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 800 mg/10mL; DIMETHICONE 80 mg/10mL | Aug 26, 2026 | Sep 2, 2026 |
| Guardian Drug Company | ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 400 mg/10mL; DIMETHICONE 40 mg/10mL | Aug 28, 2026 | Aug 28, 2026 |
| Amerisourcebergen Drug Corporation | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 80 mg/10mL; DIMETHICONE 800 mg/10mL | Jul 22, 2026 | Aug 22, 2026 |
| Chain Drug Marketing Association Inc. | ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 40 mg/10mL; DIMETHICONE 400 mg/10mL | Jul 22, 2026 | Aug 22, 2026 |
| Harris Teeter, LLC | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 80 mg/10mL; DIMETHICONE 800 mg/10mL | Jul 22, 2026 | Aug 22, 2026 |
| Topco Associates, LLC | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 80 mg/10mL; DIMETHICONE 800 mg/10mL | Jul 22, 2026 | Aug 22, 2026 |
| Retail Business Services, LLC. | ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 40 mg/10mL; DIMETHICONE 400 mg/10mL | Jul 22, 2026 | Aug 20, 2026 |
| Belmora LLC | ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 40 mg/10mL; DIMETHICONE 400 mg/10mL | Jul 22, 2026 | Aug 19, 2026 |
| Chain Drug Marketing Association Inc. | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 80 mg/10mL; DIMETHICONE 800 mg/10mL | Jul 22, 2026 | Aug 19, 2026 |
| Dolgencorp, Llc | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 80 mg/10mL; DIMETHICONE 800 mg/10mL | Jul 22, 2026 | Aug 19, 2026 |
| Goodsense | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 80 mg/10mL; DIMETHICONE 800 mg/10mL | Jul 22, 2026 | Aug 19, 2026 |
| H E B | ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 40 mg/10mL; DIMETHICONE 400 mg/10mL | Jul 22, 2026 | Aug 19, 2026 |
| Harris Teeter, LLC | ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 40 mg/10mL; DIMETHICONE 400 mg/10mL | Jul 22, 2026 | Aug 19, 2026 |
| Kroger Company | ALUMINUM HYDROXIDE 400 mg/5mL; MAGNESIUM HYDROXIDE 40 mg/5mL; DIMETHICONE 400 mg/5mL | Jul 22, 2026 | Aug 19, 2026 |
| Preferred Pharmaceuticals Inc. | ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 40 mg/10mL; DIMETHICONE, UNSPECIFIED 400 mg/10mL | Jul 22, 2026 | Aug 19, 2026 |
| Retail Business Services, LLC. | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 80 mg/10mL; DIMETHICONE 800 mg/10mL | Jul 22, 2026 | Aug 19, 2026 |
| Rugby Laboratories | ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 40 mg/10mL; DIMETHICONE 400 mg/10mL | Jul 22, 2026 | Aug 19, 2026 |
| Topco Associates, LLC | ALUMINUM HYDROXIDE 400 mg/10mL; MAGNESIUM HYDROXIDE 40 mg/10mL; DIMETHICONE 400 mg/10mL | Jul 22, 2026 | Aug 19, 2026 |
| United Natural Foods, Inc. Dba Unfi | ALUMINUM HYDROXIDE 800 mg/10mL; MAGNESIUM HYDROXIDE 80 mg/10mL; DIMETHICONE 800 mg/10mL | Jul 22, 2026 | Aug 19, 2026 |
| Amerisourcebergen Drug Corporation | ALUMINUM HYDROXIDE 800 mg/10mL; DIMETHICONE 80 mg/10mL; MAGNESIUM HYDROXIDE 800 mg/10mL | Jul 15, 2026 | Jul 19, 2026 |
| Chain Drug Marketing Association Inc. | ALUMINUM HYDROXIDE 400 mg/10mL; DIMETHICONE 40 mg/10mL; MAGNESIUM HYDROXIDE 400 mg/10mL | Jul 15, 2026 | Jul 19, 2026 |
| Harris Teeter, LLC | ALUMINUM HYDROXIDE 800 mg/10mL; DIMETHICONE 80 mg/10mL; MAGNESIUM HYDROXIDE 800 mg/10mL | Jul 15, 2026 | Jul 19, 2026 |
| Retail Business Services, LLC. | ALUMINUM HYDROXIDE 400 mg/10mL; DIMETHICONE 40 mg/10mL; MAGNESIUM HYDROXIDE 400 mg/10mL | Jul 15, 2026 | Jul 19, 2026 |
| Topco Associates, LLC | ALUMINUM HYDROXIDE 800 mg/10mL; DIMETHICONE 80 mg/10mL; MAGNESIUM HYDROXIDE 800 mg/10mL | Jul 15, 2026 | Jul 19, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
DrugDashboards, "Antacid Antigas — NDC 72476-0503-05," retrieved September 3, 2026, https://drugdashboards.com/drug/72476050305.
Free to cite with attribution — see how the data is put together.