Mag 440

Product NDC: 28595-710
11-digit product format: 285950710
Labeler code: 28595
Product ID: 28595-710_32fd7e5e-f1bd-85e9-e063-6294a90a876f
Type: HUMAN OTC DRUG
Nonproprietary name: Megnesium Oxide
Dosage form: TABLET
Route: ORAL
Labeler: Allegis Pharmaceuticals, LLC
Application: M001
Marketing category: OTC MONOGRAPH DRUG
Marketing start: 2025-01-27
Substance: MAGNESIUM OXIDE
Active strength: 440 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: Mag 440
Listing expiration: 2026-12-31

Active Ingredients#

Ingredient, Strength table
Ingredient	Strength
MAGNESIUM OXIDE	440 mg/1

Harmonized UNII identifiers#

UNII identifiers page 1 of 1 · 1 matching rows.

Identifier, FDA.report destination table
Identifier	FDA.report destination
3A3U0GI71G	Internal UNII lookup

Harmonized RxCUI identifiers#

RxCUI identifiers page 1 of 1 · 1 matching rows.

Identifier, FDA.report destination table
Identifier	FDA.report destination
2707337	Internal RxNorm lookup

Harmonized SPL set identifiers#

SPL set identifiers page 1 of 1 · 1 matching rows.

Identifier, FDA.report destination table
Identifier	FDA.report destination
2cb19dc0-115b-38b8-e063-6294a90a4aea	Available on FDA.report

DailyMed Product Concepts#

Product concept, Relation, Version table
Product concept	Relation	Version	Effective
6e3c022f-0786-43f1-8857-edff89d5153f	Product name	1	20260309
95250459-30e4-45c1-b08a-993044f49109	Product name	2	20250805
efd58652-cb8f-4018-91ca-4b0eb2ff729f	Product name	7	20240226
362d7abb-94e6-4c60-9a58-266894157713	Product name	1	20231023
e2db08c6-133f-4f4f-afb4-e90a2418d6f6	Product name	1	20230320
6bd95106-a412-1dad-b9cc-4cb74bfb27ce	Product name	2	20230315
9badc7be-250a-44ab-aa36-926af3f02679	Product name	1	20210527
2641ccb3-721d-4fbf-9f2f-ca2f18157a62	Product name	3	20210309
11ed6f83-cdd2-4637-8379-b1a1d3ae3cde	Product name	1	20181101
7cda52fc-125f-421c-8fea-bc1974370c49	Product name	2	20180703
86c45a79-b9f0-4476-a27c-6e10db098497	Product name	1	20180125
26acd337-b838-40ac-bcbc-05c3b81c8712	Product name	1	20170323
d5e51f11-ad28-caa4-4b49-4143974782ad	Product name	1	20150831
290f523a-f9db-9774-b5a9-e1f908ac1782	Product name	1	20150828
e7e58cd3-cacb-49df-8d34-1ee335614abb	Product name	1	20150609
0ca1d589-929b-4b33-bc5b-1d84abdafa6a	Product name	1	20150324
fc363c46-397b-4476-ac0f-70e43e8e4592	Product name	1	20150324
c6b65c52-69c7-df49-550a-a50c137f6218	Product name	1	20140508

DailyMed Package Descriptions#

Package NDC, Product, Description table
Package NDC	Product	Description	Form	Quantity	Strength	SPL version
28595-710-40	Mag 440	40 in 1 BOTTLE	TABLET	40		3

DailyMed Billing Units#

Package NDC, Billing unit, Product NDC table
Package NDC	Billing unit	Product NDC	DailyMed indexing SPL	SPL version	Effective
28595-710-40	EA - Each	28595-710	c2d507f7-8b42-44e0-8691-9847fb9a8064	1	2025-03-04

DailyMed Dashboard NDC Coverage#

NDC, Dashboard title, SPL version table
NDC	Dashboard title	SPL version	Validation	Dashboard ZIP
28595-710	MAG 440 (MEGNESIUM OXIDE) TABLET [ALLEGIS PHARMACEUTICALS, LLC]	3	Current NDC, 1 package rows	20250418_2cb19dc0-115b-38b8-e063-6294a90a4aea.zip

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.

Matched openFDA labels page 36 of 36 · 719 matching rows.

Brand, Generic, Manufacturer table
Brand	Generic	Manufacturer	SPL set ID	Effective date	Available safety fields	Join
SUPREME ANTACID	CALCIUM CARBONATE, MAGNESIUM HYDROXIDE	VALU MERCHANDISERS COMPANY	5e946ed2-819e-fb40-e053-2991aa0a6f77	2023-11-01	Warnings	Exact identifier application number: M001
REGULAR STRENGTH ANTACID	ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, DIMETHICONE	VALU MERCHANDISERS COMPANY	5e82a4f4-c7da-09cb-e053-2a91aa0abf5b	2023-11-01	Warnings	Exact identifier application number: M001
MAXIMUM STRENGTH ANTACID	ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, DIMETHICONE	WAL-MART STORES, INC.	7cc2ad32-fdff-0772-e053-2a91aa0aad9e	2023-11-01	Warnings	Exact identifier application number: M001
MAXIMUM STRENGTH ANTACID CHERRY	ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, SIMETHICONE	WAL-MART STORES, INC.	7cc2771e-abd7-4120-e053-2a91aa0a8af0	2023-11-01	Warnings	Exact identifier application number: M001
MINTOX MAXIMUM STRENGTH	ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, DIMETHICONE	Proficient Rx LP	b7711b50-c14a-44d6-b647-1f31284f87ea	2023-11-01	Warnings	Exact identifier application number: M001
MAXIMUM STRENGTH ANTACID AND ANTIGAS	ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, DIMETHICONE	VALU MERCHANDISERS COMPANY	5e811783-cbf6-d0e3-e053-2991aa0ae69f	2023-10-31	Warnings	Exact identifier application number: M001
REGULAR STRENGTH ANTACID	ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, DIMETHICONE	CVS	5f880b43-2977-7a2d-e053-2991aa0a024d	2023-10-31	Warnings	Exact identifier application number: M001
MAXIMUM STRENGTH ANTACID	ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, DIMETHICONE	CVS PHARMACY	d5661964-9d2c-7a3d-e053-2995a90a86ef	2023-10-31	Warnings	Exact identifier application number: M001
EXTRA STRENGTH HEARTBURN RELIEF	ALUMINUM HYDROXIDE AND MAGNESIUM CARBONATE	CVS PHARMACY,INC.	53fc327e-e345-26f2-e054-00144ff8d46c	2023-10-31	Warnings	Exact identifier application number: M001
MAXIMUM STRENGTH ANTACID AND ANTIGAS CHERRY	ALUMINUM HYDROXIDE, MAGNESIUM HYDROXIDE, DIMETHICONE	VALU MERCHANDISERS COMPANY	5e94cb90-b616-dcfe-e053-2a91aa0ada72	2023-10-31	Warnings	Exact identifier application number: M001
CALCIUM CARBONATE CHEWABLE ANTACID	CALCIUM CARBONATE	Geri-Care Pharmaceutical Corp	27d9b505-08bd-4261-a59d-6ddc4031be32	2023-10-25	Warnings	Exact identifier application number: M001
CALCIUM CARBONATE	CALCIUM CARBONATE	Blessings International	99d7e467-a3db-b4f0-e053-2a95a90a900f	2023-10-25	Warnings	Exact identifier application number: M001
Sodium Bicarbonate	SODIUM BICARBONATE	APNAR PHARMA LP	e206c240-55c2-2d00-e053-2a95a90a1779	2023-10-21	Boxed warning, Warnings	Exact identifier application number: M001
Magnesium Oxide	MAGNESIUM OXIDE	APNAR PHARMA LP	e4ef2224-07e4-e913-e053-2995a90a28ed	2023-10-21	Warnings	Exact identifier application number: M001
Magnesium Oxide	MAGNESIUM OXIDE	Endo USA	d5c123f8-1396-4d8c-96d3-e5ade96a6ef8	2020-11-10	Warnings	Exact identifier application number: M001
Magnesium Oxide	MAGNESIUM OXIDE	Endo USA	d3c5b01b-f0d6-4503-ab18-b1a72386e2c6	2020-06-03	Warnings	Exact identifier application number: M001
Magnesium Oxide 400mg	MAGNESIUM OXIDE 400MG	Allegiant Health	2ea68874-8c20-4284-bd0a-f07768057b83	2019-01-28	Warnings	Exact identifier application number: M001
Calcium Antacid	CALCIUM CARBONATE	Allegiant Health	51dd53e8-22ff-4967-9124-f15c3986e4dd	2017-11-17	Warnings	Exact identifier application number: M001
Calcium Antacid	CALCIUM CARBONATE	Allegiant Health	551d6135-2650-4c27-a20d-d56a9aba7b71	2017-11-08	Warnings	Exact identifier application number: M001

UNII, Preferred term, Registry number table
UNII	Preferred term	Registry number	Matched term
3A3U0GI71G	MAGNESIUM OXIDE	1309-48-4	MAGNESIUM OXIDE

DailyMed RxNorm Mappings#

RxCUI, RxNorm string, TTY table
RxCUI	RxNorm string	TTY	DailyMed	SPL version
2707337	magnesium oxide 440 MG Oral Tablet	PSN	2cb19dc0-115b-38b8-e063-6294a90a4aea	3
2707337	magnesium oxide 440 MG Oral Tablet	SCD	2cb19dc0-115b-38b8-e063-6294a90a4aea	3

Packages#

Package NDC, 11-digit format, Description table
Package NDC	11-digit format	Description	Units	Marketing start	Sample	Exclude flag	Status
28595-710-40	28595071040	40 TABLET in 1 BOTTLE (28595-710-40)	40 tablet	2025-01-27	No	No	Current