Product Information
MAGNESIUM OXIDE 400 MG TABLET is a generic product labeled by Westminster Pharmaceuticals LLC, priced at $0.0350 per EA under NDC 69367029820. Its NADAC has been published 293 times since Nov 18, 2020.
Strength
400 mg/1
Manufacturer
Westminster Pharmaceuticals LLCNDC
69367029820
Classification
Generic
Dosage Form
TABLET
Route
ORAL
Last Updated
6/17/2026
Active Ingredients
MAGNESIUM OXIDEApproval Type
OTC MONOGRAPH DRUG
FDA Application
M001On Market Since
10/15/2020
Pharmacological Classes
Price Statistics
The NADAC for MAGNESIUM OXIDE 400 MG TABLET has been published 293 times since Nov 18, 2020, and over the history we have for it it has declined 3.8%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.0350 per EA |
|---|---|
| All-time high | $0.0401 (Feb 10, 2021) |
| All-time low | $0.0304 (Nov 20, 2024) |
| 52-week high | $0.0366 |
| 52-week low | $0.0342 |
| Median price | $0.0344 |
| Average price | $0.0349 |
| Largest weekly change | -15.0% (Nov 20, 2024) |
| Weeks tracked | 293 |
| Tracking since | Nov 18, 2020 |
Generic Alternatives
The matcher finds 3 NADAC-published products sharing this drug's active ingredient, strength, and dosage form across 3 manufacturers (up to 10 shown below). None of the shown alternatives sit below the current price. These are candidates to verify clinically, not guaranteed substitutes — see our generic drug prices guide.
Frequently asked questions
What is the NADAC price of MAGNESIUM OXIDE 400 MG TABLET?
The current National Average Drug Acquisition Cost (NADAC) for MAGNESIUM OXIDE 400 MG TABLET, manufactured by Westminster Pharmaceuticals LLC, is $0.0350 per EA (NDC 69367029820), effective Jun 24, 2026.
How has the price of MAGNESIUM OXIDE 400 MG TABLET changed over time?
Over the history we have for it, the NADAC for MAGNESIUM OXIDE 400 MG TABLET has declined 3.8%. It has been tracked across 293 weekly CMS publications since Nov 18, 2020.
What are the highest and lowest recorded NADAC prices for MAGNESIUM OXIDE 400 MG TABLET?
Since Nov 18, 2020, the NADAC for MAGNESIUM OXIDE 400 MG TABLET has ranged from a low of $0.0304 (Nov 20, 2024) to a high of $0.0401 (Feb 10, 2021), with a median of $0.0344 per EA.
Are there cheaper alternatives to MAGNESIUM OXIDE 400 MG TABLET?
3 NADAC-published products share the same active ingredient, strength, and dosage form as MAGNESIUM OXIDE 400 MG TABLET, but none are currently priced below it.
Who manufactures MAGNESIUM OXIDE 400 MG TABLET?
MAGNESIUM OXIDE 400 MG TABLET (NDC 69367029820) is labeled by Westminster Pharmaceuticals LLC, and CMS classifies it as a generic product.
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