Magnesium Oxide 500 mg
Best Naturals
Score 60
This Best Naturals product offers a very high 500 mg dose of magnesium oxide at an extremely low price per serving, making it a budget-friendly option often used for its laxative effect, but it generally has lower systemic absorption than other magnesium forms.
Score 60
This Best Naturals product offers a very high 500 mg dose of magnesium oxide at an extremely low price per serving, making it a budget-friendly option often used for its laxative effect, but it generally has lower systemic absorption than other magnesium forms.
Analysis
Best Naturals Magnesium Oxide provides a very high dose of 500 mg of magnesium per tablet, making it a very economical option with 180 servings per bottle. Magnesium oxide is known for its high elemental magnesium content by weight.
While it offers a large amount of magnesium, magnesium oxide is generally recognized for its lower absorption rate compared to other forms. It is often chosen more for its mild laxative effect to support digestive regularity rather than for systemic magnesium repletion.
For individuals primarily seeking a cost-effective magnesium supplement or a gentle bowel aid, this product can fit the bill. However, those looking for maximum systemic absorption for muscle, nerve, or bone health might consider other forms.
Pros
- Extremely low price per serving.
- Very high dose of 500 mg elemental magnesium per tablet.
- Provides a large supply with 180 servings.
- May effectively support digestive regularity.
Cons
- Magnesium oxide has lower systemic bioavailability compared to other forms.
- Less ideal for broad systemic magnesium repletion (e.g., muscle, nerve, bone health).
- May cause a laxative effect, especially at higher doses.
- Relatively low review count compared to other magnesium products.
Warnings
- Magnesium oxide can have a laxative effect; monitor your digestive response.
- Lower bioavailability means it might not be the best choice for addressing systemic magnesium needs.
$11.99($0.06 per serving)
 iHerb | $ 11.99 |
Goals
Impact
Highest effect
Magnesium oxide is frequently used to help support bowel regularity due to its osmotic effect, which draws water into the intestines.
Impact
Moderate effect
While it provides elemental magnesium, the lower systemic absorption of magnesium oxide means it may not be as effective for widespread general health benefits as more bioavailable forms.
Impact
Moderate effect
While magnesium is important for bones, the low absorption of the oxide form means a smaller proportion of the dose is available for bone tissue compared to other forms.
Impact
Moderate effect
Due to its limited systemic absorption, this form is less likely to significantly contribute to muscle function or recovery benefits compared to more bioavailable magnesium compounds.
Impact
Moderate effect
The systemic benefits for stress relief and relaxation are often associated with better absorbed forms of magnesium that can affect nerve function more directly.
Ingredients
| Ingredient | Amount per serving |
|---|---|
Magnesium | 500 mg |
Magnesium 60
This product offers magnesium in the oxide form, which is very economical and provides a high elemental dose, but is generally less absorbed systemically compared to other magnesium types.
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Magnesium Complex 300 mg
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This alternative offers a blend of magnesium forms, including more absorbable ones, at a much lower price per serving, providing superior value for general magnesium supplementation.
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Magnesium Citrate Pure Powder
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While still magnesium oxide, this option provides a comparable amount of magnesium at a slightly lower price point, maintaining good value for those specifically seeking this form.
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Ultra-Mag
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This comprehensive blend of highly bioavailable magnesium forms with Vitamin B6 offers superior support for energy, muscle function, and overall well-being, a significant upgrade from magnesium oxide.
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Magnesium Bisglycinate Chelate
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Magnesium bisglycinate is highly absorbable and gentle, making it an excellent choice for relaxation, sleep, and muscle function, which are common magnesium goals where oxide may be less effective.
82 Performance
Magnesium Citrate Pure Powder
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This powder provides a much more bioavailable form of magnesium (citrate) for general health and digestive support, making it a more effective choice for many magnesium-related goals.