An extremely affordable magnesium oxide supplement with a small calcium addition, primarily for basic mineral support or digestive regularity.
How scoring worksAn extremely affordable magnesium oxide supplement with a small calcium addition, primarily for basic mineral support or digestive regularity.
How scoring works iHerb | $ 4.99 |
This product delivers 250mg of elemental magnesium from magnesium oxide and 65mg of elemental calcium from calcium carbonate. Magnesium oxide has a high elemental magnesium content, but its systemic absorption is often lower than other forms, making it a common choice for occasional constipation relief. The added calcium is a minor amount, contributing to overall mineral intake.
As a very low-cost option, it serves as a basic mineral supplement for those prioritizing affordability. The tablet form is standard and the high review count indicates its widespread use, likely driven by its value proposition.
<p>Magnesium oxide has a high elemental magnesium content but is known for its relatively low bioavailability for systemic absorption and strong laxative effects. The inclusion of calcium carbonate is minimal and doesn't significantly enhance the overall quality for comprehensive mineral support.</p>
<p>The product clearly lists 'Magnesium Oxide' and 'Calcium Carbonate' with their respective elemental quantities. This provides excellent transparency regarding the forms and amounts of minerals included.</p>
<p>Despite the lower systemic bioavailability of magnesium oxide, the exceptionally low price per serving makes this product an outstanding value for money, especially for those seeking basic mineral replenishment or digestive regularity on a tight budget.</p>
<p>With over 69,000 reviews, this product demonstrates extremely high customer satisfaction, likely driven by its unbeatable price point. This high volume of feedback suggests a very popular and well-received product among its target audience.</p>
<p>21st Century is a brand known for offering very economical supplements. While widely available, it typically caters to consumers prioritizing low cost over premium ingredients or specialized formulations.</p>
| Ingredient | Amount per serving |
|---|---|
Calcium | 65 mg |
Magnesium | 250 mg |
This product serves as an extremely budget-friendly option for magnesium, primarily offering magnesium oxide. While it delivers a high elemental dose, its lower bioavailability for systemic benefits and strong laxative potential make it a very basic option within the magnesium category.
