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Magnesium 250 mg

Nature Made
4.7
★ ★ ★ ★ ★
(4644 ratings)
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Score 78

A very affordable and common Magnesium Oxide supplement, primarily used for digestive regularity due to its poor systemic absorption.

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scaleQuantity:100 Tablet(s) • (100 servings)
track_changesGoals:

leaderboard Score 78

A very affordable and common Magnesium Oxide supplement, primarily used for digestive regularity due to its poor systemic absorption.

How scoring works
Also available as 1 option
200 servings 1 Tablet(s) • 200 Tablet(s) • 200 servings $10.72 ($0.05 per serving)
$5.30($0.05 per serving)
Pure Formulas
$ 5.30
Vitacost
$ 5.49
iHerb
$ 5.49
Walmart
$ 6.31
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psychologyAnalysis

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.

thumb_upPros
  • 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.
thumb_downCons
  • 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.
warningWarnings
  • 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.
scienceNutrient quality
40 Lower impact

The quality of the magnesium form, Magnesium Oxide, is low in terms of systemic bioavailability. Despite its elemental content, very little is absorbed by the body for general health purposes.

visibilityIngredient transparency
95 Highest impact

The product clearly lists Magnesium Oxide as the form of magnesium and its elemental quantity. This offers excellent transparency regarding the key active ingredient.

workspace_premiumValue for money
75 High impact

The value for money is very high if the primary goal is an extremely inexpensive laxative or a basic, low-absorption magnesium supplement. For systemic magnesium repletion, its value is significantly lower due to poor absorption, but its low cost makes it attractive for some uses.

thumb_upCustomer satisfaction
90 Highest impact

With a high review count of 4619, this product demonstrates widespread customer satisfaction. This suggests that a large number of users find it suitable for their needs, likely valuing its low price and digestive effects.

storefrontBrand
80 Highest impact

Nature Made is a very widely recognized and trusted brand in the supplement industry. They are known for their accessible products and broad distribution, generally holding a positive and reliable reputation.

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track_changesGoals
flagDigestive Health
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.
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flagGeneral Health
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.
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flagHeart Health
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.
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flagAnti-Aging
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.
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flagCardiovascular Support
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.
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flagFitness
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.
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flagCognitive Support
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.
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flagMood Support
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.
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scienceIngredients
IngredientAmount per serving
Magnesium
250 mg
grain_off Gluten Free person Adults 18–50
flagReport overview
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.
scienceView ingredientinventory_2View products
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