Magnesium 250 mg
Nature Made
Score 55
A very affordable and common Magnesium Oxide supplement, primarily used for digestive regularity due to its poor systemic absorption.
Score 55
A very affordable and common Magnesium Oxide supplement, primarily used for digestive regularity due to its poor systemic absorption.
Also available as 1 option
Analysis
Nature Made Magnesium 250 mg offers Magnesium Oxide in tablet form, with 250mg of elemental magnesium per serving. Nature Made is a widely recognized brand, making this a readily available option.
However, Magnesium Oxide is characterized by its very low systemic bioavailability. This means that while the product contains a fair amount of elemental magnesium, a substantial portion of it is not absorbed into the bloodstream for use in the body's many enzymatic and cellular processes.
Due to its poor absorption, Magnesium Oxide is most often utilized for its osmotic laxative effect, where it draws water into the intestines to promote bowel movements. It is an extremely economical choice, but less effective for comprehensively addressing systemic magnesium deficiencies for broader health benefits.
Pros
- Extremely economical option with a very low price per serving.
- Widely available from a well-known brand.
- Contains 250mg elemental magnesium per dose.
- Can be effective for promoting digestive regularity.
Cons
- Very poor systemic bioavailability, severely limiting its effectiveness for general magnesium repletion.
- May cause digestive upset or have a strong laxative effect.
- Less suitable for supporting systemic health goals beyond immediate digestive needs.
Warnings
- May cause loose stools, abdominal cramping, or diarrhea, especially at higher doses.
- Not the most effective choice for increasing magnesium levels in the body for systemic benefits.
- Consult a healthcare professional if you experience persistent digestive discomfort or have kidney issues.
$5.09($0.05 per serving)
 Vitacost | $ 5.09 | |
 Pure Formulas | $ 5.30 | |
 iHerb | $ 5.49 | |
 Walmart | $ 6.31 |
Goals
Impact
High effect
Magnesium Oxide is effective for digestive health, specifically as an osmotic laxative. It draws water into the colon, which helps soften stools 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 very 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 | 250 mg |
Magnesium 55
This is a basic magnesium supplement, utilizing Magnesium Oxide, which is known for its poor systemic bioavailability. While extremely affordable, it is primarily useful for its laxative effect rather than effective magnesium repletion for overall health.
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Magnesium Bisglycinate Chelate
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For superior absorption and gentleness on the digestive system, this pure magnesium bisglycinate chelate is an excellent alternative. It is often favored for promoting restful sleep, reducing stress, and supporting muscle function more effectively than magnesium oxide.
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Neuro-Mag Magnesium L-Threonate Tropical Punch Flavor
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Magnesium Oxide Pure Powder
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Magnesium Complex 300 mg
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Providing a blend of magnesium carbonate, citrate, and oxide at a significantly lower price per serving, this alternative offers a more comprehensive magnesium profile and better absorption for improved general health support.
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Magnesium Citrate Pure Powder
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Magnesium citrate is a more bioavailable form than oxide for systemic benefits. This powder is available at a lower price per serving, offering a more effective magnesium source for your overall health goals.
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Magnesium Citrate Pure Powder
Best Naturals
This magnesium citrate powder provides a more bioavailable form of magnesium at a lower price per serving, offering a superior overall value for supporting energy, mood, and muscle health compared to magnesium oxide.
75 Value
Magnesium Complex 300 mg
Lake Avenue Nutrition
With a blend of magnesium carbonate, citrate, and oxide, this alternative offers a more versatile magnesium profile and better absorption for a lower price per serving, making it an excellent value for broad-spectrum support.
58 Value
Magnesium 200 mg
Swanson Premium Brand
Though also a magnesium oxide, this alternative offers a slightly higher analysis score and a lower price per serving, providing marginally better value for basic magnesium supplementation.
90 Performance
Ultra-Mag
Source Naturals
This advanced blend combines several highly absorbable magnesium forms (citrate, glycinate, malate, succinate, taurinate) along with Vitamin B6, providing a much broader and more effective range of support for cardiovascular, cognitive, energy, and stress relief goals.
85 Performance
Magnesium Bisglycinate Chelate
Healthy Origins
For superior absorption and gentleness on the digestive system, this pure magnesium bisglycinate chelate is an excellent alternative. It is often favored for promoting restful sleep, reducing stress, and supporting muscle function more effectively than magnesium oxide.
88 Performance
Neuro-Mag Magnesium L-Threonate Tropical Punch Flavor
Life Extension
If cognitive enhancement, memory, and overall brain health are primary concerns, magnesium L-Threonate offers a specialized benefit. This makes it a significantly 'better' choice for targeted neurological support than a basic magnesium oxide supplement.