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Wonder Laboratories

Magnesium Oxide 400 | Pharmaceutical Grade

Comparable Magnesium Strength to Name-Brand MAG-OX® 400, with 482.6 mg of Elemental Magnesium per Two-Tablet Daily Serving
482.6 mg elemental magnesium per two-tablet daily serving
Comparable to name-brand MAG-OX® 400
Supports normal muscle, nerve, bone and energy function*
250-tablet best-value size provides a 125- to 250-day supply
$6.49
🚚 Free shipping on orders $65+ after coupons
⚡ Same-day shipping if ordered by 2:30 PM CT (Mon–Fri)
🛡️ 30-day money-back guarantee
482.6 mg elemental magnesium per two-tablet daily serving
Comparable to name-brand MAG-OX® 400
Supports normal muscle, nerve, bone and energy function*
250-tablet best-value size provides a 125- to 250-day supply
$6.49
🚚 Free shipping on orders $65+ (after coupons)
⚡ Same-day shipping if ordered by 2:30 PM CT (Mon–Fri)
🛡️ 30-day money-back guarantee
Maximum Purchase:
12 units
Compare to Name-Brand MAG-OX® 400

482.6 mg of Elemental Magnesium per Daily Serving

A concentrated magnesium oxide formula providing approximately the same labeled magnesium strength as name-brand MAG-OX® 400, at a Wonder Laboratories value.*

Daily Serving 482.6 mg Elemental Magnesium
Suggested Use 2 Tablets Daily
Daily Value 115% Per Two Tablets

Available in 120- and 250-tablet sizes.

Familiar Magnesium Oxide Strength

A Direct Value Alternative to MAG-OX® 400

Name-brand MAG-OX® 400 provides approximately 482 mg of magnesium in a two-tablet daily serving.

Wonder Laboratories Magnesium Oxide 400 provides 482.6 mg of elemental magnesium in the same two-tablet daily serving.

This makes the Wonder Laboratories formula a simple choice for customers who are familiar with the strength and serving format of name-brand MAG-OX® 400 but want a competitively priced alternative.

Comparable Label Strength
Wonder Laboratories 482.6 mg Per two-tablet serving
Name-Brand MAG-OX® 400 Approximately 482 mg Per two-tablet serving
Suggested Daily Use Two Tablets

MAG-OX® 400 is a registered trademark of its respective owner. Wonder Laboratories Magnesium Oxide 400 is not manufactured, distributed, sponsored or endorsed by the owner of the MAG-OX® 400 trademark.

Essential Mineral Support

Why Magnesium Matters

Magnesium is an essential mineral involved in hundreds of normal enzymatic and cellular processes throughout the body.

It contributes to normal muscle function, nerve signaling, cellular energy production and the maintenance of normal bones.*

The body cannot produce magnesium, so it must be obtained from food and other dietary sources.

Daily Magnesium Support

Supports Important Functions Throughout the Body

Each two-tablet serving supplies 482.6 mg of elemental magnesium for a consistent daily magnesium routine.*

Muscle Function Magnesium supports normal muscle contraction, relaxation and everyday muscular function.*
Nerve Function Magnesium contributes to normal nerve signaling, communication and impulse transmission.*
Bone Mineralization Magnesium contributes to normal bone structure, mineralization and maintenance.*
Cellular Energy Magnesium participates in normal reactions involved in cellular energy production and nutrient metabolism.*
Straightforward Daily Potency

A Concentrated Magnesium Oxide Formula

Magnesium oxide provides a substantial amount of elemental magnesium in a compact tablet.

The recommended two-tablet daily serving supplies 482.6 mg of elemental magnesium, equal to 115% of the Daily Value.

The formula is designed for customers seeking the familiar potency and serving format associated with MAG-OX® 400.

Formula at a Glance
Magnesium Oxide Concentrated mineral source
482.6 mg Magnesium Per daily serving
Two Tablets Daily Simple label-directed routine

Choose Your Supply

Supply estimates are based on the recommended serving of two tablets daily.

Bottle Size Daily Serving Approximate Supply
120 Tablets 2 Tablets 60-Day Supply
250 Tablets Best Value 2 Tablets 125-Day Supply

The 250-tablet size provides more than four months of daily use and reduces the need for frequent reordering.

Supplement Facts

Supplement Facts
Serving Size: 2 Tablets
Servings Per 120-Count Bottle: 60
Amount %DV
Elemental Magnesium
as magnesium oxide
482.6 mg 115%

Other Ingredients: Vegetable cellulose, vegetable stearic acid, vegetable magnesium stearate and silica.

Suggested Use

As an adult dietary supplement, take two tablets daily or as directed by a physician.

Important Caution

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

Supplemental magnesium may have a laxative effect in some individuals. Discontinue use and consult a healthcare professional if digestive effects are persistent or concerning.

Quality You Can Trust

Manufactured in an FDA-registered facility using Good Manufacturing Practices. The tablets conform to applicable USP weight and disintegration standards.

Compare to MAG-OX® 400 482.6 mg Per Serving Two Tablets Daily Gluten Free GMP Manufacturing USP Weight Conformance USP Disintegration 250-Tablet Best Value

Frequently Asked Questions

How does this compare with name-brand MAG-OX® 400?

Wonder Laboratories Magnesium Oxide 400 provides 482.6 mg of elemental magnesium in a two-tablet serving. Name-brand MAG-OX® 400 states that it supplies approximately 482 mg in its two-tablet daily dose.

Is this product made by the company that owns MAG-OX® 400?

No. This product is manufactured and distributed by Wonder Laboratories. MAG-OX® 400 is a registered trademark owned by another company.

How much magnesium is in the daily serving?

The recommended two-tablet daily serving provides 482.6 mg of elemental magnesium, equal to 115% of the Daily Value.

How many tablets should I take?

The suggested use is two tablets daily or as directed by a physician.

What does magnesium support?

Magnesium supports normal muscle function, nerve signaling, bone mineralization and cellular energy production.*

Can this product have a laxative effect?

Supplemental magnesium may cause loose stools or digestive discomfort in some individuals. Consult a healthcare professional if effects are persistent or severe.

Can I take it with prescription medication?

Consult your physician or pharmacist before combining supplemental magnesium with prescription medication.

Can someone with kidney disease take this product?

Anyone with kidney disease should consult a physician before using this or another magnesium supplement.

How long does each bottle last?

At two tablets daily, the 120-tablet bottle lasts approximately 60 days and the 250-tablet bottle lasts approximately 125 days.

Which bottle is the best value?

The 250-tablet bottle provides approximately 125 days of use at the recommended daily serving and reduces the need for frequent reordering.

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

MAG-OX® 400 is a registered trademark of its respective owner. Wonder Laboratories Magnesium Oxide 400 is not manufactured, distributed, sponsored or endorsed by the owner of the MAG-OX® 400 trademark.

Additional Details

SKU:
6801

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