Magnesium Oxide 420 mgnone
MineralsBrand: Nationwide Pharmaceutical
Functions
Net Contents
100 Tablet(s)
Serving Size
1 Tablet(s)
Servings Per Container
100
Supplement Form
Tablet or Pill
Bar Code (UPC/SKU)
3 69375 00810 4
Product Version
Rev 4/2024
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
Single-ingredient formula listed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
1 ingredients report an established %DV per serving.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Supplement Facts
Serving Size: 1 Tablet(s) · 1 per day
| Ingredient | Amount Per Serving | % Daily Value |
|---|---|---|
| Magnesium | 252 mg | 63% |
| Magnesium Oxide | 420 mg | — |
Percent Daily Values are based on a 2,000 calorie diet.
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Directions: Adults: Take one tablet daily with a meal as a dietary supplement or as directed by a doctor.
Warnings & Precautions
Precautions re: All Other
Warnings: Not recommended for use in amounts over the recommended daily intake of 420mg per day (1 tablet). May have a laxative effect.
Precautions re: Allergies
Ask a doctor or pharmacist before use if you have a known allergy to this product. Stop use and contact a doctor if allergic reaction occurs.
Precautions re: Pregnant or Nursing or Prescription Medications
Consult a doctor before using this product if you have kidney disease or are pregnant or nursing a baby.
Precautions re: Children
Keep out of reach of children.
Precautions re: All Other
Do not use if imprinted safety seal under cap is broken or missing
Storage
Storage
Other information: Store at controlled room temperature 15-30 degrees C (58-86 degrees F) Store in original container with lid tightly closed in a dry place Use by expiration date on package
Formulation
Formulation re: Other
Made in the USA
FDA Statements
FDA Statement of Identity
Dietary Supplement
Other Label Statements
General Statements: All Other Content
NDC 69375-0008-10
Manufacturer & Distributor
Distributor
Nationwide Pharmaceutical LLC
San Antonio, TX, 78216
Market Reference
Magnesium Oxide 420mg - 120 Capsules | 4 Month Supply! | 100% Daily Value of Magnesium Oxide in One Capsule
Doctor's Pride$19.95Rugby Magnesium Oxide 420 mg Tablets 100 ct
Instacart5.0(2)$4.22Magnesium Oxide 400
Wonder Laboratories4.8(64)$6.49Sports Research Magnesium Oxide Softgels
iHerb4.7(453)$17.97Mag-Ox 400 Magnesium Tablets
Target4.6(450)$7.89Magnesium Oxide Tablets 400mg Compare to Magox (Bottle of 120)
Walmart - Pharma Frills5.0(2)$7.77Rugby Magnesium Oxide 400mg Tablets
Adobe Drugs4.6(55)$5.89tnvitamins Magnesium Oxide 420mg 120 Capsules 4 Month Supply! 100% Daily Value of Magnesium Oxide in One Capsule
Target4.8(8)$9.99
Where to Buy Locally
Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.
Showing representative supplement & health retailers — search above for stores in your area.
Holland & Barrett - Stockton On Tees
4.0 (22)Health food shop
Unit 39 Wellington St, Stockton-on-Tees TS18 1RG
Protein Superstore Middlesbrough
4.8 (9)Vitamin & Supplements Shop
10B, Captain Cook Square Middlesbrough, Newport Cres, Middlesbrough TS1 5UB
Body Extreme
5.0 (8)Health food shop
13 Newport Cres, Middlesbrough TS1 5EP
The Protein Stop
4.6 (20)Vitamin & Supplements Shop
1a Andrew St, Cleveland Road, Hartlepool TS24 7LB
1 Life Supplements
Vitamin & Supplements Shop
Desert Orchid, 15 The Beeches, Middleton St George, Darlington DL2 1GD
British Body Beast
5.0 (10)Sports Nutrition Shop
134 Parliament Rd, Middlesbrough TS1 4JQ
Holland & Barrett - Teesside
4.2 (71)Health food shop
Unit 4D2, Teesside Shopping Park, Sandown Wy., Thornaby, Stockton-on-Tees TS17 7BW
PROTEIN SUPERSTORE HARTLEPOOL
5.0 (9)Vitamin & Supplements Shop
Albert Centre, 200 York Rd, Hartlepool TS26 9EB
Research & Studies
Serum Magnesium, Prescribed Magnesium Replacement and Cardiovascular Events in Adults with Type 2 Diabetes: A National Cohort Study in US Veterans
Y Yin, Y Cheng, AR Zullo, Y Shao, HM Sheriff… - Nutrients, 2025 - mdpi.com
… magnesium sulfate) were obtained from VHA pharmacy data. Magnesium citrate and magnesium hydroxide … Our nationwide ambulatory cohort of 1.2 million patients with type 2 diabetes …
20253 citationsThe role of magnesium in depression, migraine, Alzheimer's disease, and cognitive health: a comprehensive review
P Varga, A Lehoczki, M Fekete, T Jarecsny… - Nutrients, 2025 - mdpi.com
… 1300 mg of magnesium chloride and … magnesium oxide supplementation for 8 weeks, resulting in a significant improvement in both their BDI-II scores (p = 0.02) and serum magnesium …
202517 citationsCan I Take Magnesium with Zetia (Ezetimibe)? Safety, Interactions, and Dosing
HE Works - healthrx.com
… top five selling mineral supplements nationwide. The overlap … sleep medicine specialist, has stated: "Magnesium deficiency … if you are using magnesium oxide or magnesium hydroxide (…
A urologist's guide to ingredients found in top-selling nutraceuticals for men's sexual health
T Cui, RC Kovell, DC Brooks… - … of sexual medicine, 2015 - academic.oup.com
… and 2007, and a recent nationwide survey showed that over 50… The recommended daily intake of magnesium is 400–420 mg… in our list of men's health supplements, identified in nine of …
201565 citationsGlobal Dietary Magnesium Deficiency: Prevalence, Underlying Causes, Health Consequences, and Strategic Solutions
W Zhang, Y Zhao - International Journal for Vitamin and Nutrition …, 2025 - imrpress.com
… In Japan, data from the MINNADE—a nationwide survey … In another trial, magnesium oxide supplementation at 450 mg/… of Sirio Pharma; no products or materials from Sirio Pharma were …
20253 citationsHypomagnesemia: A Clinical and Nutritional Update
A Papagiannidou, M Mitropoulou… - Current Nutrition …, 2026 - pmc.ncbi.nlm.nih.gov
… Recent advances in magnesium transporters, drug-induced … Notably, a nationwide US study of over 1.28 million veterans … to inorganic salts such as magnesium oxide; Good absorption; …
20261 citations
Related News
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2025-02-23. DSLD Label ID: 327373. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.
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