Email This Page to a Friend

Have a promo code?

Magnesium Oxide

21st Century

Magnesium Oxide

Swanson $4.96

Retail $6.99

Item:: CNT105
Availability:: Usually Ships Within 24 Hours
Size:: 400 mg 90 Tabs

Add to Favorites

21st Century Magnesium Oxide
Essential for protein synthesis and cellular energy
No Sugar, Salt, Yeast, Preservatives, Artificial Flavors or Colors

21st Century Magnesium Oxide promotes energy. Magnesium is necessary for the metabolism of calcium, Vitamin C, phosphorus, sodium, and potassium. Magnesium is also essential for nerve and muscle function.

Supplement Facts

Serving Size 1 Tablet

Servings Per Container: 90

	Amount Per Serving	% Daily Value
Magnesium (as Magnesium Oxide 400 mg USP)	241.3 mg	60%

Other Ingredients: Calcium Carbonate, Cellulose, Stearic Acid, Kelp, Croscarmellose Sodium, Silicon Dioxide, Magnesium Stearate.

Directions: Take one (1) tablet twice daily with any meal for maximum daily results, or as directed by your healthcare provider. Do not exceed recommended dosage.

Keep out of reach of children. Do not use if product appears to be tampered with or seal is broken. Store at room temperature.

Unconditionally guaranteed for purity, freshness and label potency. No added sugar, salt, yeast, preservatives, artificial flavors, or colors.

Terms and Ingredient Definitions

Summary of Customer Ratings & Reviews

Customer Ratings & Reviews

Magnesium Oxide 5 5 3 4

not sure what to rate.. read on Doc said I need, but as instructions state and my Doc warned me, there are side effects one being diarrhea, which i had. so just be careful and don't over buy until you know. August 18, 2012

21st Century Magnesium Oxide I think this product is very good, priced right and speedy delivery. May 5, 2012

Great Price ! Very Affordable! I share with my husband! April 9, 2012

1-4 of 4

Swanson’s 7-Leaf Guarantee

Earning your trust is our first
and only priority.

↑ Top of Page

Save with Swanson

Swanson Premium
Triple Magnesium Complex
(97) =
400 mg 100 Caps
Swanson $3.99

Recently Viewed Items

Look here for an easy way to
navigate to your previously
viewed products.

Company: Contact Us; About Us; Help Desk; Career Opportunities; Guarantees; Policies; Compare Products

: Corporate Social Responsibility; Newsroom; Security; Mobile Site; What's New; Affiliate Program; Refer A Friend

Stay Connected: Sign Up for Emails; Link to Us; Become a Fan; Follow Us on Twitter; View Our Boards; Circle Us; Swanson Health Blog; Natural Health Videos

Feedback: Read Health Products Reviews; Review a Product; Have suggestions for this website? Send us your feedback.; Request a Product; healthnotes; vitasearch

Entrust Safe Shopping Network Better Business Bureau Stella GMP 7-Leaf Guarantee Swanson Seal of Potency and Purity

†Ratings based on results of the 2013 ConsumerLab.com Vitamin and Supplement Users Survey. More information at www.consumerlab.com/survey2013.

Swanson Health Products is absolutely committed to maintaining the highest quality products and the utmost integrity in business practices. Since 2001 Swanson Health Products has voluntarily participated in independent third-party Good Manufacturing Practices (GMP) audits, long before the FDA released their final regulations for the dietary supplement industry.

Notice: The products and information found on www.swansonvitamins.com are not intended to replace professional medical advice or treatment. These statements have not been evaluated by the Food and Drug Administration. Our dietary supplements are not intended to diagnose, treat, cure or prevent any disease or medical condition. Individual results may vary. SwansonVitamins.com urges you to seek the advice of a qualified professional for any health concern lasting more than two weeks, and to share with your provider any information pertaining to your health and well-being, including the use of supplemental nutrition.

In regards to product descriptions, product labels, individual supplement facts and various other informational content found throughout our website and included pages, we try our best to provide current and accurate information. If typographical errors appear on or within our website, we sincerely apologize and appreciate all help in identifying such errors so as to correct them as quickly as possible. Nonetheless, Swanson Health Products cannot be held responsible for typographical errors and assumes no responsibility for said errors.

Coupons and Promo Codes found on other, third-party websites may or may not be valid. Many promo codes and coupons are posted to these sites without their corresponding expiration dates, while others are simply invalid. Swanson Health Products has no control over these third-party sites, and in no way can we guarantee or honor coupons or promo codes that are invalid or have expired. To avoid any confusion or potential frustration, please sign up for Swanson Emails to receive coupons and promo codes directly from us. Limit one promo code per order. Limit 3 coupons per order. Online prices and offers are valid for online purchases only and may be different from those available in catalogs. We reserve the right to limit quantities available for purchase. We reserve the right to charge additional shipping on overweight orders.

© 2013 Swanson Health Products