United States · FDA National Drug Code directory

Magnesium Oxide

A source-listed medicine record.

Factual source checks only. This page is not a clinically reviewed monograph. Historical or discontinued records may be included; listing does not confirm approval, current availability or pharmacy stock.

Medicine identity

Source reference
58657-120_41b54dc8-16af-7ea0-e063-6394a90ad7b2
Product NDC
58657-120
Form
TABLET
Composition / generic term
Magnesium Oxide
Labeler
Method Pharmaceuticals, LLC
Marketing category
OTC MONOGRAPH DRUG
Marketing start / end (source format)
20180725
Source listing expiry
20261231

Source-listed ingredients

  • MAGNESIUM OXIDE — 400 mg/1

These values do not establish equivalence or a dose recommendation.

Packages

  • 120 TABLET in 1 BOTTLE (58657-120-12) · 58657-120-12

Source and coverage

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Snapshot retrieved: 2026-09-17. This is the acquisition date, not a medical review date.

Clinical information, images and comparisons appear only when separately reviewed for this record. Coverage may be incomplete. Ask a pharmacist or clinician about your treatment.

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