Magnesium Oxide 400®

Minerals

Brand: Wonder Labs

Tablet or PillMineralOff Market

Product label for Magnesium Oxide 400 — Click to view full label

Net Contents

120 Tablet(s)

Serving Size

2 Tablet(s)

Servings Per Container

Supplement Form

Tablet or Pill

Bar Code (UPC/SKU)

0 99528 68012 2

Product Version

Rev. #04

Label Analysis

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

1Active Ingredients

Single-ingredient formula listed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

1% Daily Value Coverage

1 ingredients report a %DV; 1 meet or exceed 100% DV.

2Dietary Attributes

Label states: Non-GMO, Gluten-Free.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Allergen Guide

Free From

Gluten

Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.

Supplement Facts

Serving Size: 2 Tablet(s) · 1 per day

Ingredient	Amount Per Serving	% Daily Value
elemental Magnesium(Magnesium Oxide)	482.6 mg	121%

Not Present

Other Ingredients

Vegetable CelluloseVegetable Stearic AcidVegetable Magnesium StearateSilica

Target Groups

Adult (18 - 50 Years)Gluten FreeSugar Free

Label Claims

All OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Directions: For adults, take two (2) tablets daily with food or as directed by a physician.

Warnings & Precautions

Precautions re: All Other

Tamper evident: Do not use this product if imprinted foil seal under cap is broken or missing.

Precautions re: Children

Keep out of reach of children.

Precautions re: Pregnant or Nursing or Prescription Medications

Caution: If you are pregnant, nursing, have kidney disease or are taking prescription medications, consult your physician before taking this product.

Storage

Keep tightly closed. Store at room temperature: 59 degrees - 86 degrees F (15 degrees to 30 degrees C).

Formulation

Formulation re: Does NOT Contain

Non-GMO Gluten free

Formulation re: Other

Pharmaceutical grade Promotes bone mineralization and cardiovascular health

Formulation re: Does NOT Contain

Sugar free

Formulation re: Other

Compare to active ingredient of MAG-OX 400 Coated, easier to swallow

FDA Statements

FDA Disclaimer Statement

This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

FDA Statement of Identity

Dietary Supplement

Other Label Statements

Seals/Symbols

FDA Registered Facility Certified GMP Good Manufacturing Practice USA Made

Brand IP Statement(s) re: (c), (TM), (SM)

This product is not manufactured or distributed by Hi-Tech Pharmacal Co., owners of the reg. TM MAG-OX 400

General Statements: All Other Content

Reorder #6801

Manufacturer & Distributor

Distributor

Wonder Labs

115 S.C.T. Court, White House, TN, 37188

800.992.1672

Market Reference

$3.78 – $134.99· 40 listings

Magnesium Oxide 400
Wonder Laboratories4.7(63)
$5.52
Mag-Ox 400 Magnesium Tablets
Target4.7(431)
$7.89
Wonder Laboratories Magnesium Glycinate 500mg
Wonder Laboratories4.5(18)
$13.59
Magnesium Oxide 400 Mg Sftgl, 400 MG SOFTGEL CAPSULE
Amazon.com
$8.40
Rising Magnesium Oxide 400 mg 120 Count
Hargraves Online Healthcare4.8(27)
$6.99
Walgreens High Absorption Magnesium 400mg Tablets (60 ct)
Walgreens.com
$19.99
Magnesium Oxide, 400 MG Tablets
Amazon.com
$5.10
Cypress Magnesium Oxide 400 Mg Tablets
Thrifty White Health Essentials4.9(73)
$7.27

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.

GNC
3.8 (64)
Vitamin & supplements store
4058 Piedmont Ave, Oakland, CA 94611
Directions (510) 380-3580
La Bella Droga
5.0 (1)
Vitamin & supplements store
1423 Broadway Ste 594, Oakland, CA 94612
Directions (866) 621-1442
The Vitamin Shoppe
4.7 (55)
Vitamin & supplements store
1471 Fitzgerald Dr #100, Pinole, CA 94564
Directions (510) 223-4681
Lakeshore Natural Foods
4.6 (18)
Vitamin & supplements store
3321 Lakeshore Ave, Oakland, CA 94610
Directions (510) 452-1079
Healthy Life Vitamins
4.3 (6)
Vitamin & supplements store
6130 Medau Pl, Piedmont, CA 94611
Directions (510) 338-0667
Health Unlimited
4.9 (41)
Vitamin & supplements store
182 Pelton Center Way, San Leandro, CA 94577
Directions (510) 483-3630
NutriLabs Inc.
Vitamin & supplements store
237 Kearny St Ste 9158, San Francisco, CA 94108
Directions (415) 295-4499
GNC
3.6 (39)
Vitamin & supplements store
2215 S Shore Center 2215 - D, Alameda, CA 94501
Directions (510) 523-5006

Research & Studies

Magnesium Glycinate vs Oxide vs Threonate (2026)
Q Answer, WFSY Take - yourhealthier.com
… A 400 mg oxide capsule delivers roughly 240 mg elemental … Wondering how long lion's mane takes to kick in? See how long … (200–400 mg in the evening for sleep and general health) …
Have an account?
P Beard - Foundations, 2026 - viridian-nutrition.com
… review we will establish the benefits of using magnesium oxide. … health benefits, one thing is clear, magnesium oxide is not as bioavailable as other supplemental forms of magnesium. …
2026
Magnesium Brain Repair: Unlocking the Potential for Cognitive Healing
K Takeaways - neurolaunch.com
… : magnesium oxide. Its … Magnesium is available over the counter and generally safe for most adults, but some situations call for proper medical evaluation before you start supplementing …
The Everything Guide to Nootropics: Boost Your Brain Function with Smart Drugs and Memory Supplements
E Brand - 2016 - books.google.com
… medical advice. The ideas, procedures, and suggestions in this book are intended to supplement, not replace, the advice of a trained medical … sitting at home wondering how and where …
20165 citations
The Vitamin Prescription (For Life): 20 Cutting-Edge Super Nutrients to Help You Design Your Own Perfect Whole-Life Program
RN Firshein - 2010 - books.google.com
… Fish oils seem to work wonders in chronic inflammatory diseases, from asthma to colitis, yet they … In its function as a cellular lubricator, magnesium is critical to the continued health of our …
2010
Green synthesis of Vitis vinifera extract-appended magnesium oxide NPs for biomedical applications
MHM Edwin, AS Sundara Raj, A Mani… - Nanotechnology …, 2024 - degruyterbrill.com
Biologically active magnesium oxide (MgO) nanoparticles were synthesised using green reduction with an extract derived from the Vitis vinifera plant. The investigation focused on …
202411 citations

Related News

Magnesium Forms Explained: Oxide, Citrate, and Glycinate
The magnesium form on a label affects how much elemental magnesium you get. Here is how the common forms compare.
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Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2021-11-19. DSLD Label ID: 260941. 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.