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21st Century   MgO 400 mg - 90 Tablets

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2 Reviews

"Magnesium Oxide by 21st Century is a great magnesium product. The tablet was eas..."  Read all reviews

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Item Number: CEN1119
Serving Size: 1 Tablet Servings per Container: 90
Price per Serving:  $0.07 Price per Unit*: $0.07 per Tablet
* Price Per Unit may reflect product's price per capsule, tablet, ounce, fluid ounce, etc.
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Regular Price:  $6.99 $6.46
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Promote the healthy metabolism of vital minerals and vitamin C in your body with Magnesium Oxide Tablets from 21st Century®. This formula packs Magnesium as magnesium oxide‚ which may provide a great supplement for those not meeting their daily requirements of this vital mineral.

Magnesium is the core of muscle and nerve function and is known to favor cardiovascular health. It may help convert glucose in the blood to energy which your body could use to support an active lifestyle. Magnesium may work with calcium to support several facets of health.

Magnesium is involved in several physiological functions of the body including: assisting the heart pump blood‚ relaxing blood vessels and promoting healthy bowel function. Magnesium oxide in this dietary supplement from 21st Century® is a non-chelated form of magnesium bound to an organic acid and may soften stools. Many people believe that magnesium oxide may also reduce heartburn and indigestion.

Boost calcium‚ phosphorus‚ sodium‚ and potassium metabolism with Magnesium Oxide Tablets from 21st Century® and embrace healthy living.

These statements have not been evaluated by the Food and Drug Administration (FDA). These products are not meant to diagnose‚ treat or cure any disease or medical condition. Please consult your doctor before starting any exercise or nutritional supplement program or before using these or any product during pregnancy or if you have a serious medical condition.

  • MFG # 530517
  • UPC # 740985270721
Official Website:

Serving Size: 1 Tablet

Amount Per Serving / % DV

Calcium 65mg / 5%
(As Calcium Carbonate)
Magnesium 250mg / 60%
(As Magnesium Oxide 400mg USP)

Other Ingredients: Cellulose‚ stearic acid‚ croscarmellose sodium‚ kelp. Contains <2% of: magnesium silicate‚ magnesium stearate‚ maltodextrin‚ silicon dioxide.

No added sugar‚ yeast‚ preservatives or artificial flavors or colors.


As a mineral supplement‚ adults take one (1) tablet daily with any meal or as directed by a healthcare provider.

Do not exceed recommended dosage.

Consult a healthcare provider prior to use if pregnant‚ nursing‚ on medications‚ have a medical condition or are planning a medical procedure.

Stop use and contact a physician if adverse reactions occur.

Keep out of reach of children.

Do not use if product appears to be tampered with or seal is broken.

Store at room temperature.

  • Gluten Free
  • No Added Sugar

Ratings and Reviews

Write a Review
  • 4.5
5 2
  • 2 Reviews
    • Verified Buyer

      Great product!

      from Miami on 10/17/2014
      Magnesium Oxide by 21st Century is a great magnesium product. The tablet was easy to swallow. It contained no odd taste and helped reduce my headaches. I highly recommend it.


      Easy to swallow. No weird odd taste or smell to tablet.


      The tablet can be a little big for some people.
      review-checkI would recommend this item to a friend.
      1 of 1 people found the following review helpful.
    • Magnesium Oxide

      from Coral Gables, FL on 1/28/2014
      Great magnesium supplement. Helps me fall asleep.
      review-checkI would recommend this item to a friend.

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Additionally, PureFormulas is unable to directly recommend products in relation to specific health conditions. Please contact your trusted healthcare practitioner for direct product recommendations.

If you have any general questions regarding orders or our policies and programs, please contact our Customer Happiness Team @ 1.800.383.6008

If you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use. Your healthcare professional is the best source for guidance before beginning an exercise or nutritional supplement program.

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.

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