Magnesium Oxide Tablets

SPL v10

SPL

SPL Set ID d3c5b01b-f0d6-4503-ab18-b1a72386e2c6

Route

ORAL

Published

Effective Date 2020-06-03

Document Type 34390-5 HUMAN OTC DRUG LABEL

Drug Facts

Composition & Product

Active Ingredients

Magnesium Cation (400 mg)

Inactive Ingredients

Silicon Dioxide Croscarmellose Sodium Cellulose, Microcrystalline Stearic Acid

Identifiers & Packaging

Pill Appearance

Imprint: 174 Shape: round Color: white Size: 11 mm Score: 1

Marketing Status

OTC MONOGRAPH DRUG Active Since 2014-07-01

Description

Magnesium Oxide 400mg (240mg Elemental Magnesium)

Purpose

Antacid

Medication Information

Purpose

Antacid

Description

Magnesium Oxide 400mg (240mg Elemental Magnesium)

Uses

Relieves: ■ acid indigestion ■ upset stomach

Directions

Antacid Directions: ■ take 1 tablet twice a day or as directed by a physician

Magnesium Supplement Directions: ■ take 1 to 2 tablets daily or as directed by a physician

Do Not Take

more than 2 tablets in a 24 hour period or use the maximum dosage of this product for more than two weeks, except under the advise and supervision of a physician. May have a laxative effect.

Other Information

■ Magnesium content per tablet: 240 mg ■ store at controlled room temperature 59°-86° F (15°-30°C) ■ do not use if imprinted safety seal under cap is broken or missing

Inactive Ingredients

colloidal silicon dioxide, croscarmellose sodium, microcrystalline cellulose, stearic acid

Principal Display Panel

Magnesium Oxide 400mg

Ask A Doctor If You Have:

kidney disease

If Pregnant Or Breast Feeding,

ask a health professional before use.

Active Ingredient (in Each Tablet)

Magnesium Oxide 400mg (240mg Elemental Magnesium)

Ask A Doctor Or Pharmacist Before Use If You Are:

taking a prescription drug. Antacids may interact with certain prescription drugs.

Structured Label Content

Uses (USES)

Relieves: ■ acid indigestion ■ upset stomach

Purpose

Antacid

Directions (DIRECTIONS)

Antacid Directions: ■ take 1 tablet twice a day or as directed by a physician

Magnesium Supplement Directions: ■ take 1 to 2 tablets daily or as directed by a physician

Do Not Take (Do not take)

more than 2 tablets in a 24 hour period or use the maximum dosage of this product for more than two weeks, except under the advise and supervision of a physician. May have a laxative effect.

Other Information (OTHER INFORMATION)

■ Magnesium content per tablet: 240 mg ■ store at controlled room temperature 59°-86° F (15°-30°C) ■ do not use if imprinted safety seal under cap is broken or missing

Inactive Ingredients (INACTIVE INGREDIENTS)

colloidal silicon dioxide, croscarmellose sodium, microcrystalline cellulose, stearic acid

Principal Display Panel (PRINCIPAL DISPLAY PANEL)

Magnesium Oxide 400mg

Ask A Doctor If You Have: (Ask a doctor if you have:)

kidney disease

If Pregnant Or Breast Feeding, (If pregnant or breast-feeding,)

ask a health professional before use.

Active Ingredient (in Each Tablet) (ACTIVE INGREDIENT (In each tablet))

Magnesium Oxide 400mg (240mg Elemental Magnesium)

Ask A Doctor Or Pharmacist Before Use If You Are: (Ask a doctor or pharmacist before use if you are:)

taking a prescription drug. Antacids may interact with certain prescription drugs.

Advanced Ingredient Data

[{"name": "MAGNESIUM CATION", "unii": "T6V3LHY838", "classCode": "ACTIB", "strengthNumerator": "400", "strengthDenominator": "1", "strengthNumeratorUnit": "mg", "strengthDenominatorUnit": "1"}, {"name": "SILICON DIOXIDE", "unii": "ETJ7Z6XBU4", "classCode": "IACT", "strengthNumerator": "", "strengthDenominator": "", "strengthNumeratorUnit": "", "strengthDenominatorUnit": ""}, {"name": "CROSCARMELLOSE SODIUM", "unii": "M28OL1HH48", "classCode": "IACT", "strengthNumerator": "", "strengthDenominator": "", "strengthNumeratorUnit": "", "strengthDenominatorUnit": ""}, {"name": "CELLULOSE, MICROCRYSTALLINE", "unii": "OP1R32D61U", "classCode": "IACT", "strengthNumerator": "", "strengthDenominator": "", "strengthNumeratorUnit": "", "strengthDenominatorUnit": ""}, {"name": "STEARIC ACID", "unii": "4ELV7Z65AP", "classCode": "IACT", "strengthNumerator": "", "strengthDenominator": "", "strengthNumeratorUnit": "", "strengthDenominatorUnit": ""}]

Raw Label Data

All Sections (JSON)

{"USES": "Relieves: ■ acid indigestion ■ upset stomach", "Purpose": "Antacid", "DIRECTIONS": "Antacid Directions: ■ take 1 tablet twice a day or as directed by a physician Magnesium Supplement Directions: ■ take 1 to 2 tablets daily or as directed by a physician", "Do not take": "more than 2 tablets in a 24 hour period or use the maximum dosage of this product for more than two weeks, except under the advise and supervision of a physician. May have a laxative effect.", "OTHER INFORMATION": "■ Magnesium content per tablet: 240 mg ■ store at controlled room temperature 59°-86° F (15°-30°C) ■ do not use if imprinted safety seal under cap is broken or missing", "INACTIVE INGREDIENTS": "colloidal silicon dioxide, croscarmellose sodium, microcrystalline cellulose, stearic acid", "PRINCIPAL DISPLAY PANEL": "Magnesium Oxide 400mg", "Ask a doctor if you have:": "kidney disease", "If pregnant or breast-feeding,": "ask a health professional before use.", "ACTIVE INGREDIENT (In each tablet)": "Magnesium Oxide 400mg (240mg Elemental Magnesium)", "Ask a doctor or pharmacist before use if you are:": "taking a prescription drug. Antacids may interact with certain prescription drugs."}

Additional Information

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Source: dailymed · Ingested: 2026-02-15T12:04:17.640760 · Updated: 2026-03-14T23:04:54.043845