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21st Century mgO 400 mg Tablets, 90 Count, Assorted (Pack of 2)
21st Century MgO 400 mg Tablets are necessary for the metabolism of calcium, vitamin C, phosphorus, sodium, and potassium.
21st Century mgO 400 mg Tablets, 90 Count, Assorted (Pack of 2)
Item #: 110249352

21st Century mgO 400 mg Tablets, 90 Count, Assorted (Pack of 2)

Item #: 110249352

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21st Century MgO 400 mg Tablets are necessary for the metabolism of calcium, vitamin C, phosphorus, sodium, and potassium.
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What Stands Out

High Potency
Delivering 400 mg of Magnesium Oxyde per tablet, these supplements provide optimal support for muscle and nerve function, promoting overall health efficiently and effectively.
Convenient Packaging
With a 90-count supply in each pack of two, users experience convenience in replenishment, ensuring they never run out of essential magnesium for daily wellness.
Assorted Formula
The assorted formulation allows for varied intake preferences, catering to different dietary needs, making it suitable for a wide range of consumers seeking magnesium supplementation.

Product Details

Get the essential magnesium supplement for nerve and muscle function. Buy 21st Century mgO 400 mg Tablets from Ubuy Saint Lucia. Improve your health and wellness. Shop now!
  • 400 mg of magnesium oxide per tablet is essential for protein synthesis and cellular energy
  • Free of sugar, salt, yeast, preservatives, artificial flavors, and colors
  • Critical for nerve and muscle function
  • Instructions: Take one (1) tablet twice daily with any meal, or as directed by a healthcare provider. Do not exceed recommended dosage.
  • Safety Warnings: Keep out of reach of children. Do not use if product appears to be tampered with or seal is broken. Store at room temperature.
  • 21st Century products are unconditionally guaranteed for purity, freshness, and label potency, manufactured using ingredients that pass stringent quality assurance standards and cGMP
Product Dimensions 2.38 x 1.75 x 3.75 inches (6 x 4.4 x 9.5 cm); 6.83 ounces (193.63 grams)
Item model number 27072
Date First Available November 7, 2025
Manufacturer 21st Century
Item FormTablet
FlavorUnflavored
Product BenefitsMetabolism
Unit Count180 Count
Number of Items2
Item Weight6.88 ounces (195.05 grams)
Brand Name21st Century
Age Range DescriptionAdult
Model Number27072
Manufacturer Part Number27072

Who Should Buy?

Suitable For
  • Digestive Health

    Individuals seeking to improve digestive function or manage occasional digestive discomfort may benefit from magnesium oxide.

  • Muscle Relaxation

    Athletes or active individuals may use magnesium for muscle recovery and to reduce cramps after intense workouts.

  • Bone Support

    People looking to support bone health may find magnesium beneficial as it plays a role in calcium absorption.

Not Suitable For
  • Kidney Issues

    Individuals with pre-existing kidney conditions should avoid magnesium supplements without consulting a healthcare professional.

Product Description

21st Century mgO 400 mg Tablets, 90 Count, Assorted (Pack of 2)

About This Item

21st Century MgO 400 Mg Tablets - Improve Your Health With Essential Magnesium! Do you often feel stressed and anxious? Do you experience frequent joint and muscle pain? Do you want to improve your bone health and support your heart? Then, 21st Century MgO 400 Mg Tablets are just perfect for you! Magnesium in this supplement is essential for the metabolism of calcium, vitamin C, phosphorus, sodium, and potassium. Moreover, it is necessary for nerve and muscle function, and for converting blood sugar to energy. Unfortunately, 90% of Americans don't get enough magnesium in their diets.

Each bottle of 21st Century MgO 400 Mg Tablets contains 90 assorted tablets that are easy to take with any meal. For maximum results, take one (1) tablet twice daily or as directed by your healthcare provider. The tablets are made from high-quality raw materials, cutting edge formulations, and unique packaging with easy-to-read labels. At 21st Century, we are committed to providing you with clinically developed and carefully blended formulations based on the latest scientific research.

Our dedication to quality control enables us to provide innovative and affordable solutions for all your family’s health and wellness needs. Get your hands on 21st Century MgO 400 Mg Tablets today and say goodbye to stress and pain!.

Dietary Supplement Disclaimer

Statements regarding dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease or health condition.


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Customer Questions & Answers

  • Question: How to Shop 21st Century mgO 400 mg Tablets, 90 Count, Assorted Online From Ubuy?

    Answer: It’s easy to shop 21st Century mgO 400 mg Tablets, 90 Count, Assorted online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.
  • Question: Is 21st Century mgO 400 mg Tablets, 90 Count, Assorted Available to Shop Online in Saint Lucia?

    Answer: Yes, at Ubuy Saint Lucia this product is available for you to shop at a reasonable price. The 21st Century mgO 400 mg Tablets, 90 Count, Assorted is not available locally but you can trust us with our express shipping services.
  • Question: How Long Does It Take to Get Product After Placing the Order?

    Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

Nutritionist's Take

21st Century mgO 400 mg Tablets are primarily promoted for their potential support in maintaining healthy magnesium levels, which can contribute to various bodily functions including muscle relaxation and nerve transmission. The product's key ingredient, magnesium oxide, is commonly used for its accessibility and affordability. However, nutritionists often point out that while magnesium oxide contains a high percentage of elemental magnesium, its bioavailability may be lower compared to other forms, such as magnesium citrate or glycinate. Potential drawbacks include gastrointestinal discomfort in sensitive individuals, particularly if consumed in excessive amounts. Overall, while this product can benefit those with magnesium deficiency or increased needs, it may not be suitable for everyone. Consumers should consult with a healthcare professional to assess their individual dietary needs and potential interactions with other supplements or medications.

21st Century Magnesium 27072 Editorial Review

21st Century mgO 400 mg Tablets offer a convenient solution for those in need of magnesium supplementation, featuring an unflavored, immediate-release formula suitable for daily use. Customers have noted significant improvements in their health, such as reduced muscle cramps and enhanced mobility, making this product a popular choice among adults. Users appreciate the high quality, claiming it has notably alleviated chronic pain compared to other medications. The tablets, manufactured in the US, come in a 90-count bottle, perfect for consistent usage. Many have shared their positive experiences, saying they will continue using these tablets for their health benefits.

Customer Reviews & Ratings

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Pros

  • Unflavored and easy to swallow tablets
  • Effective for muscle cramp relief
  • Improves overall mobility and reduces pain
  • No artificial flavors or preservatives
  • Made in the USA for quality assurance

Cons

  • Might be considered slightly more expensive than capsules

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“Great products and very good service: very easy and very fast international delivery.”

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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

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“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
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“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot

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