Magnesium Oxide
- Product NDC
- 81033-027
- 11-digit product format
- 810330027
- Labeler code
- 81033
- Product ID
- 81033-027_4225e628-15ad-6bf0-e063-6394a90a98d6
- Type
- HUMAN OTC DRUG
- Nonproprietary name
- Magnesium Oxide
- Dosage form
- TABLET
- Route
- ORAL
- Labeler
- Kesin Pharma
- Application
- M001
- Marketing category
- OTC MONOGRAPH DRUG
- Marketing start
- 2025-04-07
- Substance
- MAGNESIUM OXIDE
- Active strength
- 400 mg/1
- Pharmacologic classes
- Calculi Dissolution Agent [EPC], Increased Large Intestinal Motility [PE], Inhibition Large Intestine Fluid/Electrolyte Absorption [PE], Inhibition Small Intestine Fluid/Electrolyte Absorption [PE], Magnesium Ion Exchange Activity [MoA], Osmotic Activity [MoA], Osmotic Laxative [EPC], Stimulation Large Intestine Fluid/Electrolyte Secretion [PE]
- NDC exclude flag
- No
- Listing certified through
- 2026-12-31
- Current FDA listing
- Yes
Reported adverse events (FAERS/openFDA)#
Adverse event summaries are temporarily unavailable. Other product information remains available.
Additional Listing Data#
- Finished product
- Yes
- Brand name base
- Magnesium Oxide
- Listing expiration
- 2026-12-31
Active Ingredients#
| Ingredient | Strength |
|---|---|
| MAGNESIUM OXIDE | 400 mg/1 |
Harmonized UNII identifiers#
| Identifier | FDA.report destination |
|---|---|
| 3A3U0GI71G | Internal UNII lookup |
Harmonized RxCUI identifiers#
| Identifier | FDA.report destination |
|---|---|
| 198741 | Internal RxNorm lookup |
Harmonized SPL set identifiers#
| Identifier | FDA.report destination |
|---|---|
| 31f417f0-1637-eefa-e063-6294a90a121b | Available on FDA.report |
DailyMed Product Concepts#
DailyMed Package Descriptions#
| Package NDC | Product | Description | Form | Quantity | Strength | SPL version |
|---|---|---|---|---|---|---|
| 81033-027-01 | Magnesium Oxide | 10 in 1 CARTON | TABLET | 10 | 2 | |
| 81033-027-12 | Magnesium Oxide | 120 in 1 BOTTLE | TABLET | 120 | 2 | |
| 81033-027-41 | Magnesium Oxide | 100 in 1 BLISTER PACK | TABLET | 100 | 2 |
DailyMed Billing Units#
| Package NDC | Billing unit | Product NDC | DailyMed indexing SPL | SPL version | Effective |
|---|---|---|---|---|---|
| 81033-027-01 | EA - Each | 81033-027 | 19739058-48c9-4d88-9671-511f131bff1b | 1 | 2026-05-22 |
| 81033-027-12 | EA - Each | 81033-027 | 782cadc8-b6c0-44a0-9b3f-1278a3d24d1d | 1 | 2025-10-14 |
| 81033-027-41 | EA - Each | 81033-027 | e07bdfca-b7b4-4057-a0c3-a192951d59cb | 1 | 2026-05-22 |
openFDA label cross-check#
OpenFDA label data provides additional search and identifier links. DailyMed’s Structured Product Label is the canonical label on FDA.report. Matching records are deduplicated before they are shown below.
| Brand | Generic | Manufacturer | SPL set ID | Effective date | Available safety fields | Join |
|---|---|---|---|---|---|---|
| MAXIMUM STRENGTH ANTACID | ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, SIMETHICONE | CARDINAL HEALTH | 7ee3618a-43c8-2ccc-e053-2a91aa0a8115 | 2023-11-07 | Warnings | M001 |
| EXTRA STRENGTH HEARTBURN RELIEF | ALUMINUM HYDROXIDE AND MAGNESIUM CARBONATE | CARDINAL HEALTH | 7ee2f64b-9719-6aa0-e053-2991aa0aeb48 | 2023-11-07 | Warnings | M001 |
| ANTACID MINT | ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, DIMETHICONE | CARDINAL HEALTH | af5ea189-2118-4ffd-e053-2995a90aecfd | 2023-11-07 | Warnings | M001 |
| MAXIMUM STRENGTH ANTACID | ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, DIMETHICONE | CARDINAL HEALTH | b1a3cef7-a05e-bb39-e053-2995a90abfb5 | 2023-11-07 | Warnings | M001 |
| MAXIMUM STRENGTH ANTACID AND GASRELIEF | ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, DIMETHICONE | GOODSENSE | a9654a96-9bfd-60ea-e053-2995a90ae38d | 2023-11-07 | Warnings | M001 |
| REGULAR STRENGTH ANTACID MINT | ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, DIMETHICONE | H E B | abfe6688-f852-ba8e-e053-2995a90a49a3 | 2023-11-07 | Warnings | M001 |
| ANTACID AND GASRELIEF | ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, SIMETHICONE | GOODSENSE | a9654a96-9bf9-60ea-e053-2995a90ae38d | 2023-11-07 | Warnings | M001 |
| ADVANCED ANTACID MINT | ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, DIMETHICONE | GOODSENSE | a964da1d-e1e3-94a8-e053-2a95a90ac804 | 2023-11-07 | Warnings | M001 |
| MAXIMUM STRENGTH ANTACID | ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, SIMETHICONE | KROGER COMPANY | a1b132d5-00d0-55c1-e053-2a95a90a8d27 | 2023-11-07 | Warnings | M001 |
| REGULAR STRENGTH ANTACID MINT | ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, DIMETHICONE | KROGER COMPANY | b9e5fc3f-caf0-84c4-e053-2a95a90af655 | 2023-11-07 | Warnings | M001 |
| ANTACID PLUS | ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, DIMETHICONE | BETTER LIVING BRANDS LLC | b8e233c7-eaa0-b1ec-e053-2a95a90a0549 | 2023-11-07 | Warnings | M001 |
| Antacid Plus | ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, DIMETHICONE | BETTER LIVING BRANDS, LLC | b93191e8-28a7-6c8f-e053-2995a90ac327 | 2023-11-07 | Warnings | M001 |
| MAXIMUM STRENGTH ADVANCED ANTACID | ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, SIMETHICONE | DOLGENCORP, LLC | b6993a5a-6144-ba65-e053-2995a90aee9b | 2023-11-07 | Warnings | M001 |
| HEARTBURN RELIEF | ALUMINUM HYDROXIDE AND MAGNESIUM CARBONATE | CHAIN DRUG MARKETING ASSOCIATION | b4656a2f-a866-5f7a-e053-2995a90ac2c2 | 2023-11-06 | Warnings | M001 |
| REGULAR STRENGTH ANTACID | ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, DIMETHICONE | Chain Drug Marketing Association | 9f410b3a-5579-4fae-84b1-5cd35563451e | 2023-11-06 | Warnings | M001 |
| MAXIMUM STRENGTH ANTACID | ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, DIMETHICONE | Chain Drug Marketing Association | 60de23d0-6e75-3b97-e053-2a91aa0aea5e | 2023-11-06 | Warnings | M001 |
| MINTOX MAXIMUM STRENGTH | ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, DIMETHICONE | MAJOR Pharmaceuticals Inc. | 536b143d-a1d7-4972-a90b-248e41937070 | 2023-11-02 | Warnings | M001 |
| ALMACONE DOUBLE STRENGTH | ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, DIMETHICONE | RUGBY LABORATORIES | 25f22cff-2864-4853-a7f8-8edd9f8f3c29 | 2023-11-02 | Warnings | M001 |
| REGULAR STRENGTH ANTACID ANTIGAS | ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, DIMETHICONE | VALU MERCHANDISERS COMPANY | 5e8215a4-0136-bfdd-e053-2991aa0a5ddf | 2023-11-01 | Warnings | M001 |
| SUPREME ANTACID | CALCIUM CARBONATE, MAGNESIUM HYDROXIDE | VALU MERCHANDISERS COMPANY | 5e946ed2-819e-fb40-e053-2991aa0a6f77 | 2023-11-01 | Warnings | M001 |
DailyMed RxNorm Mappings#
| RxCUI | RxNorm string | TTY | DailyMed | SPL version |
|---|---|---|---|---|
| 198741 | magnesium oxide 400 MG Oral Tablet | PSN | 31f417f0-1637-eefa-e063-6294a90a121b | 2 |
| 198741 | magnesium oxide 400 MG Oral Tablet | SCD | 31f417f0-1637-eefa-e063-6294a90a121b | 2 |
| 198741 | magnesium oxide 400 MG (magnesium 241.3 MG) Oral Tablet | SY | 31f417f0-1637-eefa-e063-6294a90a121b | 2 |
Packages#
| Package NDC | 11-digit format | Description | Units | Marketing start | Sample | Exclude flag | Status |
|---|---|---|---|---|---|---|---|
| 81033-027-01 | 81033002701 | 10 BLISTER PACK in 1 CARTON (81033-027-01) / 100 TABLET in 1 BLISTER PACK (81033-027-41) | 10 blister pack | 2025-11-01 | No | No | Current |
| 81033-027-12 | 81033002712 | 120 TABLET in 1 BOTTLE (81033-027-12) | 120 tablet | 2025-04-07 | No | No | Current |
| 81033-027-41 | 81033002741 | 100 in 1 BLISTER PACK | Historical |