Product Information
MAGNESIUM OXIDE 420 MG TABLET is a generic product labeled by Endo USA Inc., priced at $0.0372 per EA under NDC 00603021321. Its NADAC has been published 115 times since Apr 17, 2024.
The High Outlier badge above means this manufacturer's average price in the Magnesium Oxide market falls above Q3 + 1.5·IQR across all competing manufacturers. We only apply this flag in markets with four or more competitors. Full definition: glossary → outlier.
Strength
253 mg/1
Manufacturer
Endo USA Inc.NDC
00603021321
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
11/10/2020
Pharmacological Classes
Price Statistics
The NADAC for MAGNESIUM OXIDE 420 MG TABLET has been published 115 times since Apr 17, 2024, and over the history we have for it it has declined 5.6%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.0372 per EA |
|---|---|
| All-time high | $0.0404 (May 14, 2025) |
| All-time low | $0.0369 (May 20, 2026) |
| 52-week high | $0.0399 |
| 52-week low | $0.0369 |
| Median price | $0.0395 |
| Average price | $0.0392 |
| Largest weekly change | -2.6% (Feb 18, 2026) |
| Weeks tracked | 115 |
| Tracking since | Apr 17, 2024 |
Generic Alternatives
No other NADAC-published product shares this drug's active ingredient, strength, and dosage form. Compare the broader picture on the Magnesium Oxide market page.
Lowest-Cost Alternatives
No alternatives available
Frequently asked questions
What is the NADAC price of MAGNESIUM OXIDE 420 MG TABLET?
The current National Average Drug Acquisition Cost (NADAC) for MAGNESIUM OXIDE 420 MG TABLET, manufactured by Endo USA Inc., is $0.0372 per EA (NDC 00603021321), effective Jun 24, 2026.
How has the price of MAGNESIUM OXIDE 420 MG TABLET changed over time?
Over the history we have for it, the NADAC for MAGNESIUM OXIDE 420 MG TABLET has declined 5.6%. It has been tracked across 115 weekly CMS publications since Apr 17, 2024.
What are the highest and lowest recorded NADAC prices for MAGNESIUM OXIDE 420 MG TABLET?
Since Apr 17, 2024, the NADAC for MAGNESIUM OXIDE 420 MG TABLET has ranged from a low of $0.0369 (May 20, 2026) to a high of $0.0404 (May 14, 2025), with a median of $0.0395 per EA.
Are there cheaper alternatives to MAGNESIUM OXIDE 420 MG TABLET?
No other NADAC-published product currently shares the active ingredient, strength, and dosage form of MAGNESIUM OXIDE 420 MG TABLET, so no direct lower-cost alternative is listed.
Who manufactures MAGNESIUM OXIDE 420 MG TABLET?
MAGNESIUM OXIDE 420 MG TABLET (NDC 00603021321) is labeled by Endo USA Inc., and CMS classifies it as a generic product.
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Same classification