Magnesium Oxide 400 mg
Geri-Care
Score 55
An economical Magnesium Oxide tablet, primarily for digestive regularity due to its low systemic absorption for general health purposes.
Score 55
An economical Magnesium Oxide tablet, primarily for digestive regularity due to its low systemic absorption for general health purposes.
Analysis
Geri-Care Magnesium Oxide 400 mg offers 480mg of magnesium in tablet form. Based on the product name, this is Magnesium Oxide, a common and inexpensive form of magnesium supplement.
Despite providing a high elemental magnesium content, Magnesium Oxide is generally recognized for its low absorption rate into the bloodstream. This means that a significant portion of the magnesium may not be available for the body's various cellular functions.
As such, this product is most often used for its local effect in the digestive tract, where unabsorbed magnesium draws water into the intestines, acting as a laxative. It is a very basic option and less suitable for individuals looking to address a systemic magnesium deficiency for broad health benefits.
Pros
- Very budget-friendly option with a low price per serving.
- Contains a high amount of elemental magnesium per dose (480mg).
- Can be effective for promoting digestive regularity.
Cons
- Poor systemic bioavailability, limiting its effectiveness for general magnesium repletion.
- May cause digestive upset or have a strong laxative effect.
- Less suitable for supporting health goals beyond immediate digestive needs.
Warnings
- May cause loose stools, abdominal cramping, or diarrhea, especially at higher doses.
- Not recommended for long-term use for systemic magnesium replenishment.
- Consult a healthcare professional if you experience persistent digestive discomfort or have kidney issues.
$9.35($0.15 per serving)
 Walmart | $ 9.35 |
Goals
Impact
High effect
Magnesium Oxide is effective for digestive health, specifically as an osmotic laxative. Its high elemental content contributes to its ability to draw water into the colon and promote bowel movements.
Impact
Moderate effect
While inexpensive, the poor bioavailability of Magnesium Oxide significantly limits its ability to contribute to general health by correcting systemic magnesium deficiencies. It primarily serves a localized digestive purpose.
Impact
Moderate effect
Magnesium Oxide's poor systemic absorption means it is not an effective way to replenish magnesium levels for critical functions like maintaining healthy heart rhythm. More bioavailable forms are needed.
Impact
Moderate effect
The limited systemic absorption of Magnesium Oxide means its contribution to cellular health and broad anti-aging processes is very low compared to more effective magnesium forms.
Impact
Moderate effect
Magnesium Oxide is not an ideal choice for cardiovascular support because its poor bioavailability means insufficient magnesium reaches the bloodstream to impact heart and vessel function effectively.
Impact
Moderate effect
For fitness goals requiring systemic magnesium for muscle function, energy, and recovery, Magnesium Oxide is generally ineffective due to its low absorption rate into the body's tissues.
Impact
Moderate effect
Magnesium Oxide has very limited bioavailability for systemic use, and therefore is not expected to provide meaningful cognitive support as it does not readily cross the blood-brain barrier in sufficient quantities.
Impact
Moderate effect
Magnesium Oxide's poor absorption means very little elemental magnesium is available to influence neurological pathways for mood support. More bioavailable forms are necessary for this benefit.
Ingredients
| Ingredient | Amount per serving |
|---|---|
Magnesium | 480 mg |
Magnesium 55
This is a basic magnesium supplement, utilizing Magnesium Oxide, which is known for its poor systemic bioavailability. While affordable and containing a high elemental dose, it is primarily useful for its laxative effect rather than effective magnesium repletion for overall health.
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Swanson Premium Brand
Higher quality (due to brand/reviews) magnesium oxide at a much better price per serving, offering excellent value.
55 Value
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Nature's Bounty
Good quality magnesium oxide at a significantly better price per serving, representing a more cost-effective choice.
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Swanson Premium Brand
A slightly higher-rated magnesium oxide product from a more widely recognized brand, offering comparable function with better brand trust.
55 Performance
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Nature's Bounty
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Nature Made
Another well-known brand (Nature Made) offering magnesium oxide with a higher score, suggesting better quality within this form.