The short version
Only one company currently supplies this market — there is no backup if it stumbles.
The numbers behind every sentence are on this page below — and the Watch button emails you when any of them move.
Aluminum Phosphate, Colloidal, Magnesium Hydroxide, Simethicone · ALUMINUM PHOSPHATE 12.38 g/20g; DIMETHICONE 40 mg/20g; MAGNESIUM HYDROXIDE 400 mg/20g · Liquid · Oral · Masaem Company
NDC 87538-0005-01 · 20 g in 1 POUCH · OTC MONOGRAPH DRUG · View full market →
Only one company currently supplies this market — there is no backup if it stumbles.
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.
No FDA shortage reports for this drug or its presentations.
No enforcement reports list this package NDC.
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| Masaem Company | ALUMINUM PHOSPHATE 12.38 g/20g; DIMETHICONE 40 mg/20g; MAGNESIUM HYDROXIDE 400 mg/20g | Jul 19, 2026 | Aug 30, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
DrugDashboards, "Gelfos-M — NDC 87538-0005-01," retrieved September 3, 2026, https://drugdashboards.com/drug/87538000501.
Free to cite with attribution — see how the data is put together.