Mag-Ox 400 Magnesium Oxide Supplement, 2-Pack, 240 Coated Tablets, Sugar-Free

Mag-Ox 400 is a magnesium oxide dietary supplement for everyday support, supplied as two bottles of 120 coated tablets each and providing 483 mg of magnesium oxide per serving.

• Two bottles with 120 coated tablets each — provides a 240-tablet supply.
• 483 mg of magnesium oxide per serving — adds an essential mineral to your daily supplement routine.
• Designed to support normal muscle and nerve function, heart health and normal metabolism.
• Sugar-free and gluten-free — suits routines that avoid these ingredients.
• Pharmaceutical-grade product manufactured to rigorous quality standards for over 50 years.

Mag-Ox 400 is made for people looking to add magnesium to everyday wellness routines, including support for muscle and nerve function, heart health, bone health and metabolism. Magnesium is needed by every cell in the body, and magnesium oxide serves as the source in these tablets. The formula may also help with occasional constipation. Diuretics, proton pump inhibitors, cisplatin and cyclosporin may deplete magnesium.

What does Mag-Ox 400 support?

Mag-Ox 400 may help maintain normal muscle and nerve function, support heart health and normal metabolism, and assist with calcium and potassium absorption. Magnesium also plays a role in bone health. These are structure and function benefits for everyday wellness, not a promise to diagnose or treat a health condition.

• Magnesium is an essential mineral used throughout the body.
• The formula may help with occasional constipation.
• Magnesium oxide is the form of magnesium used in the supplement.

How many tablets should I take, and what comes in the pack?

Take two Mag-Ox 400 tablets daily with food, or as directed by a healthcare professional. The two-bottle pack contains 120 coated tablets in each bottle, and each serving contains 483 mg of magnesium oxide.

• The tablets are coated and designed for easy swallowing.
• Use with food as part of a daily supplement routine.

What quality and ingredient details distinguish Mag-Ox 400?

Mag-Ox 400 is pharmaceutical grade and has been manufactured to rigorous quality standards for over 50 years. Mag-Ox is the #1 pharmacist-recommended magnesium supplement brand, as recognized by US News & World Report and Pharmacy Times in 2026.

• Free from sugar and gluten.
• Magnesium supports normal metabolism and assists with calcium and potassium absorption.

Mag-Ox 400 is suited to adults seeking a coated magnesium oxide supplement for everyday wellness, with a two-tablet daily routine and food. It may also be considered for occasional constipation support, while people taking medicines that may deplete magnesium can discuss supplement use with a healthcare professional. Its two bottles contain 120 tablets each, with 483 mg of magnesium oxide per serving.

Ingredients

Magnesium Oxide, Mirocrystalline Cellulose, Hydroxypropyl Cellulose, Crospovidone, Hypromellose, Maltodrextrin, Magnesium Stearate, Sillicon Dioxide, PEG

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.