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High Potency Magnesium 400 mg

Nature Made
4.8
★ ★ ★ ★ ★
(2276 ratings)
Magnesium 400 mg
Product Image
Score 60

A high-dose magnesium oxide softgel supplement (400mg) that is inexpensive and may aid bowel regularity, but offers limited systemic absorption.

scaleQuantity:150 Softgel(s) • (150 servings)
track_changesGoals:
flag Digestive Health
flag General Health
flag Bone Health
flag Cardiovascular Support
flag Energy
flag Fitness
flag Heart Health
flag Sleep Support

leaderboard Score 60

A high-dose magnesium oxide softgel supplement (400mg) that is inexpensive and may aid bowel regularity, but offers limited systemic absorption.

Also available as 1 option
60 servings Magnesium 400 mg • 60 Softgel(s) • 60 servings $11.29 ($0.18 per serving)

insightsAnalysis

Nature Made's High Potency Magnesium 400 mg delivers magnesium in the form of magnesium oxide, packaged as softgels. The softgel format can be a plus for those who prefer not to swallow tablets or who find them easier to digest. The 400mg dosage is a potent amount of elemental magnesium, which might seem appealing at first glance.

However, the significant limitation of this product, like other magnesium oxide supplements, is the very low absorption rate of the magnesium for use throughout the body. While it contains a high amount of elemental magnesium, most of it passes through the digestive tract largely unabsorbed. This makes it a more effective choice for a laxative effect rather than addressing systemic magnesium needs.

For individuals seeking gentle digestive support or a very affordable, high-dose magnesium, this might fit. But if the goal is to significantly increase magnesium levels in muscles, nerves, or bones, more bioavailable forms of magnesium would typically be recommended for better efficacy.

thumb_upPros
  • Offers a high 400mg elemental magnesium dose.
  • Softgel form may be easier to swallow for some.
  • Relatively low price per serving.
  • Can be effective for promoting bowel regularity.
thumb_downCons
  • Uses magnesium oxide, which has very low bioavailability.
  • Less effective for systemic magnesium benefits due to poor absorption.
  • May cause digestive upset or laxative effects in sensitive individuals.
warningWarnings
  • High doses of magnesium oxide can cause loose stools or diarrhea.
  • Not recommended for those seeking maximum systemic magnesium absorption.
  • Consult a healthcare professional if you have kidney problems or other medical conditions.
flagReport analysis
$17.99($0.11 per serving)
Walmart
$ 17.99
flagReport prices
track_changesGoals
flagDigestive Health
Impact
High effect
Magnesium oxide is well-known for its osmotic laxative properties, making this product quite effective for promoting bowel regularity and alleviating occasional constipation.
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flagGeneral Health
Impact
Moderate effect
While providing a high amount of elemental magnesium, the poor absorption of the oxide form means its overall systemic health benefits are limited compared to bioavailable forms.
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flagHeart Health
Impact
Moderate effect
Despite the high dose, the low bioavailability of magnesium oxide limits its efficacy for providing robust systemic support for heart health compared to better-absorbed forms.
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flagCardiovascular Support
Impact
Moderate effect
Magnesium oxide is not optimally absorbed for comprehensive cardiovascular support. Other forms are generally recommended for maintaining blood pressure and heart function.
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flagFitness
Impact
Moderate effect
Magnesium is crucial for muscle function and energy. However, the poor absorption of magnesium oxide means it offers limited effective support for fitness goals or muscle recovery.
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flagEnergy
Impact
Moderate effect
Magnesium is critical for energy production, but the low absorption of magnesium oxide means this product is not an efficient way to significantly boost systemic energy levels.
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flagSleep Support
Impact
Moderate effect
While magnesium can aid relaxation, the poor systemic absorption of magnesium oxide means it's less effective for promoting deep relaxation and sleep compared to forms like glycinate.
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flagStress Relief
Impact
Moderate effect
Magnesium oxide's low absorption limits its effectiveness for supporting the nervous system and providing meaningful stress relief compared to better-absorbed magnesium forms.
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scienceIngredients
IngredientAmount per serving
Calories
10 Calorie(s)
Total Fat
0.5 Gram(s)
Magnesium
400 mg
grain_off Gluten Free person Adults 18–50
flagReport overview
Magnesium 58
This magnesium oxide product is a high-dose, affordable option, but its very low systemic bioavailability limits its effectiveness for general magnesium supplementation, making it more suitable for digestive support.
scienceView ingredientinventory_2View products
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