21st Century MgO-400, 90 Tablets
UPC: 740985270721
21st Century MgO-400 is a magnesium supplement designed to support bone and muscle health, according to the manufacturer. Each tablet provides 400 mg of magnesium oxide, delivering 483 mg of elemental magnesium per two-tablet serving, which is a common dosage for this mineral form.
The product is formulated with magnesium oxide, a widely used source of magnesium, and includes calcium carbonate as an additional mineral. It is certified gluten-free and non-GMO, and the manufacturer notes it is vegan-friendly and free from added sugar, yeast, preservatives, artificial flavors, and colors. The tablets are taken twice daily with meals, as directed on the label.
At a glance
Supplement Facts
| Ingredient | Amount Per Serving | % Daily Value |
|---|---|---|
| Calcium (as Calcium Carbonate) | 130 mg | 10% |
| Elemental Magnesium (as Magnesium Oxide) | 483 mg | 115% |
| † Daily Value not established | ||
Other Ingredients
Cellulose, stearic acid, croscarmellose sodium, kelp. Contains <2% of: Gum acacia, magnesium silicate, magnesium stearate, silicon dioxide.
Contains: 400 mg of magnesium oxide per tablet
No added sugar, yeast, preservatives, artificial flavors or colors.
Certifications & Claims
Label Information
Directions, warnings, and other information directly from the product label.
Suggested Use
As a mineral supplement, adults take two (2) tablets daily with any meal or as directed by a healthcare provider. Do not exceed recommended dosage.
Warning
Individual results may vary.Consult a healthcare provider prior to use if pregnant, nursing, on medications, have a medical condition, including kidney disease, or are planning a medical procedure. May cause gastrointestinal discomfort. 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.
Product Info
- Brand
- 21st Century
- UPC
- 740985270721
- Package Qty
- 90 count
- Dimensions
- 1.8 x 2.4 x 3.7 in
- Shipping Weight
- 0.25 lb
- First Available
- 02/2012





