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Home›Supplements›Mineral›Magnesium›Magnesium Oxide 400 mg Reliable 1 Laboratories
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Magnesium Oxide 400 mg

Reliable 1 Laboratories
4.7
★ ★ ★ ★ ★
(47 ratings)
Magnesium 240 mg
Product Image
Score 58

This magnesium oxide tablet is a very budget-friendly option, primarily useful for digestive regularity rather than broad systemic magnesium repletion due to its low absorption.

scaleQuantity:120 Tablet(s) • (120 servings)
track_changesGoals:
flag Digestive Health
flag General Health
flag Bone Health
flag Heart Health
flag Muscle Gain
flag Sleep Support
flag Stress Relief
flag Anti-Aging

leaderboard Score 58

This magnesium oxide tablet is a very budget-friendly option, primarily useful for digestive regularity rather than broad systemic magnesium repletion due to its low absorption.

insightsAnalysis

Reliable 1 Laboratories offers magnesium oxide in a tablet form, providing 240mg of elemental magnesium per serving. Magnesium oxide is highly concentrated in elemental magnesium, which contributes to its low cost per serving, but it is generally known for its poor absorption into the bloodstream for systemic uses.

This form is primarily effective as an osmotic laxative, drawing water into the bowels to help with digestive regularity. For individuals needing support for occasional constipation, this product can be a very budget-friendly option.

However, if the goal is to significantly increase magnesium levels in the body for benefits like muscle relaxation, bone health, or mood support, other more bioavailable forms of magnesium would typically be a more effective choice.

thumb_upPros
  • Very economical option with a low price per serving.
  • Contains a high amount of elemental magnesium per tablet.
  • Effectively supports digestive regularity for some users.
  • Simple, single-ingredient formulation.
thumb_downCons
  • Poor bioavailability for systemic magnesium absorption.
  • May cause digestive discomfort or diarrhea in some individuals.
  • Less suitable for goals beyond digestive support.
warningWarnings
  • May cause loose stools or stomach upset; reduce dose if this occurs.
  • Not ideal for long-term systemic magnesium repletion.
  • Consult a professional if you have kidney issues or are on other medications.
flagReport analysis
$7.48($0.06 per serving)
Walmart
$ 7.48
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track_changesGoals
flagDigestive Health
Impact
Highest effect
Magnesium oxide is often used for its osmotic effect in the intestines, which can help promote bowel movements. This product is well-suited for supporting digestive regularity, especially for occasional needs.
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flagGeneral Health
Impact
Moderate effect
While it contains magnesium, the limited bioavailability of magnesium oxide means it's not the best choice for comprehensive general health support. Its contribution to overall well-being is constrained by its poor absorption.
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flagHeart Health
Impact
Moderate effect
While magnesium supports heart health, the poor systemic absorption of magnesium oxide makes it less effective for this goal compared to other forms. It might not contribute significantly to maintaining cardiovascular function beyond a very basic level.
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flagBone Health
Impact
Moderate effect
Magnesium plays a role in bone health, but the limited systemic absorption of magnesium oxide means it may not be an efficient way to support bone density. Other forms are generally preferred for this purpose.
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flagMuscle Gain
Impact
Lower effect
Magnesium is important for muscle function and recovery, but the poor absorption of magnesium oxide means it's not an optimal choice for systemic muscle support. Individuals focused on fitness benefits would likely seek other magnesium forms.
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flagSleep Support
Impact
Lower effect
To support relaxation and sleep, magnesium needs to be absorbed systemically, which magnesium oxide does poorly. This product is unlikely to offer significant sleep support benefits.
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flagStress Relief
Impact
Lower effect
Magnesium's role in stress management relies on its systemic absorption to influence neurotransmitter function. Magnesium oxide's low absorption makes it an inefficient choice for stress relief.
View goal →
scienceIngredients
IngredientAmount per serving
Magnesium
240 mg
person Adults 18–50 free_breakfast Dairy Free eco Vegetarian
flagReport overview
Magnesium 55

As a magnesium product, it provides a high elemental dose, but the oxide form is known for its poor systemic absorption. This makes it less ideal for general magnesium repletion and more for specific digestive actions.

scienceView ingredientinventory_2View products
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