The short version
25 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.
Magnesium Hydroxide · MAGNESIUM HYDROXIDE 80 mg/mL · Suspension · Oral · Humco Holding Group, Inc.
NDC 00395-1672-16 · 473 mL in 1 BOTTLE, PLASTIC · OTC MONOGRAPH DRUG · View full market →
25 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
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 →
There's no legal definition — it meets 1 of 6 public criteria. Why that matters →
No FDA shortage reports for this drug or its presentations.
No enforcement reports list this package NDC.
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| Cardinal Health | MAGNESIUM HYDROXIDE 1200 mg/15mL | Jul 15, 2026 | Sep 3, 2026 |
| Family Dollar Services Inc | MAGNESIUM HYDROXIDE 1200 mg/15mL | Jul 15, 2026 | Sep 3, 2026 |
| Kroger Company | MAGNESIUM HYDROXIDE 1200 mg/15mL | Jul 15, 2026 | Sep 3, 2026 |
| Meijer, Inc. | MAGNESIUM HYDROXIDE 1200 mg/15mL | Jul 15, 2026 | Sep 3, 2026 |
| Strategic Sourcing Services Llc | MAGNESIUM HYDROXIDE 1200 mg/15mL | Jul 15, 2026 | Sep 3, 2026 |
| Valu Merchandisers Company | MAGNESIUM HYDROXIDE 1200 mg/15mL | Jul 15, 2026 | Sep 3, 2026 |
| Wal-Mart Stores, Inc. | MAGNESIUM HYDROXIDE 1200 mg/15mL | Jul 15, 2026 | Sep 3, 2026 |
| Belleview Biosciences LLC | MAGNESIUM HYDROXIDE 16000000 mg/16000000mg | Jul 15, 2026 | Sep 2, 2026 |
| Cardinal Health 107, LLC | MAGNESIUM HYDROXIDE 400 mg/5mL | Jul 15, 2026 | Sep 2, 2026 |
| CVS Pharmacy | MAGNESIUM HYDROXIDE 1200 mg/15mL | Jul 15, 2026 | Sep 2, 2026 |
| Fact Products | MAGNESIUM HYDROXIDE 1200 mg/15mL | Jul 15, 2026 | Sep 2, 2026 |
| Good Sense | MAGNESIUM HYDROXIDE 1200 mg/15mL | Jul 15, 2026 | Sep 2, 2026 |
| Humco Holding Group, Inc. | MAGNESIUM HYDROXIDE 80 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Kesin Pharma Corporation | MAGNESIUM HYDROXIDE 400 mg/5mL | Jul 15, 2026 | Sep 2, 2026 |
| Major Pharmaceuticals | MAGNESIUM HYDROXIDE 2400 mg/30mL | Jul 15, 2026 | Sep 2, 2026 |
| PAI Holdings, LLC dba PAI Pharma | MAGNESIUM HYDROXIDE 2400 mg/30mL | Aug 26, 2026 | Sep 2, 2026 |
| PAI Holdings, LLC dba PAI Pharma | MAGNESIUM HYDROXIDE 2400 mg/10mL | Jul 15, 2026 | Sep 2, 2026 |
| Pharmacy Value Alliance, LLC | MAGNESIUM HYDROXIDE 80 mg/mL | Jul 15, 2026 | Sep 2, 2026 |
| Publix | MAGNESIUM HYDROXIDE 1200 mg/15mL | Jul 15, 2026 | Sep 2, 2026 |
| Rising Pharma Holdings, Inc. | MAGNESIUM HYDROXIDE 2400 mg/30mL | Jul 15, 2026 | Sep 2, 2026 |
| Strategic Sourcing Services LLC | MAGNESIUM HYDROXIDE 1200 mg/15mL | Jul 15, 2026 | Sep 2, 2026 |
| Top Care (Topco Associates Llc) | MAGNESIUM HYDROXIDE 1200 mg/15mL | Jul 15, 2026 | Sep 2, 2026 |
| Goodsense | MAGNESIUM HYDROXIDE 1200 mg/15mL | Jul 15, 2026 | Aug 31, 2026 |
| Walgreen Company | MAGNESIUM HYDROXIDE 1200 mg/15mL | Jul 15, 2026 | Aug 31, 2026 |
| H E B | MAGNESIUM HYDROXIDE 1200 mg/15mL | Jul 15, 2026 | Aug 28, 2026 |
| PAI Holdings, LLC | MAGNESIUM HYDROXIDE 400 mg/5mL | Jul 15, 2026 | Aug 19, 2026 |
| McKesson Corporation dba SKY Packaging | MAGNESIUM HYDROXIDE 400 mg/5mL | Jul 15, 2026 | Jul 29, 2026 |
| Rite Aid Pharmacy | MAGNESIUM HYDROXIDE 1200 mg/15mL | Jul 15, 2026 | Jul 29, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
DrugDashboards, "Humco Milk of Magnesia — NDC 00395-1672-16," retrieved September 3, 2026, https://drugdashboards.com/drug/00395167216.
Free to cite with attribution — see how the data is put together.