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Magnesium 500 mg

Nature's Bounty
4.8
★ ★ ★ ★ ★
(8340 ratings)
Magnesium 500 mg
Product Image
Score 69

This highly affordable magnesium oxide supplement provides a 500 mg dose, best suited for supporting digestive regularity due to its lower systemic absorption.

How scoring works
scaleQuantity:100 Tablet(s) • (100 servings)
track_changesGoals:
flag Digestive Health
flag General Health
flag Bone Health
flag Cardiovascular Support
flag Energy
flag Heart Health
flag Muscle Gain
flag Mood Support

leaderboard Score 69

This highly affordable magnesium oxide supplement provides a 500 mg dose, best suited for supporting digestive regularity due to its lower systemic absorption.

How scoring works
Also available as 1 option
200 servings Magnesium 500 mg • 200 Tablet(s) • 200 servings $8.98 ($0.04 per serving)
$4.49($0.04 per serving)
Amazon
$ 4.49
Walmart
$ 5.93
Vitacost
$ 7.88
iHerb
$ 7.88
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psychologyAnalysis

Nature's Bounty Magnesium 500 mg features magnesium oxide, a common form known for its high elemental magnesium content. While it delivers a substantial 500 mg, this form is generally not well absorbed by the body for widespread systemic benefits like muscle or nerve support.

Its primary utility often lies in aiding digestive regularity, as magnesium oxide can have a mild laxative effect at this dosage. This makes it a very cost-effective option for individuals primarily seeking assistance with bowel function or a basic, high-dose magnesium supplement without a strong focus on high bioavailability for other health goals.

This product is a straightforward choice for those on a budget and can be a good starting point for magnesium supplementation, especially if digestive comfort is a main concern. However, those looking for magnesium's deeper roles in relaxation or bone density might consider forms with better absorption.

thumb_upPros
  • Very affordable price per serving.
  • Contains a high 500 mg dose of magnesium.
  • Can contribute to digestive regularity.
  • Widely available and easy to find.
thumb_downCons
  • Magnesium oxide form has lower systemic absorption compared to other forms.
  • May cause digestive upset or have a laxative effect in some individuals.
  • Less effective for targeted benefits like muscle relaxation or nerve support.
warningWarnings
  • This product may have a laxative effect, especially at higher doses.
  • If you have kidney issues, consult a professional before taking magnesium supplements.
scienceNutrient quality
45 Lower impact

Magnesium oxide is generally considered to have poor systemic bioavailability, meaning a smaller portion of the magnesium is absorbed by the body for broad health benefits. Its utility is often concentrated on digestive effects.

visibilityIngredient transparency
90 Highest impact

The product clearly lists magnesium oxide as the sole active ingredient with a specified quantity of 500.00mg. This provides straightforward and unambiguous information about its composition.

workspace_premiumValue for money
60 Moderate impact

While very inexpensive, the lower bioavailability of magnesium oxide means that less of the magnesium is actually utilized by the body for most desired systemic benefits. This moderates its true value for money beyond digestive support.

thumb_upCustomer satisfaction
80 Highest impact

With over 8,000 reviews, there's a substantial user base and general acceptance of this product. While specific experiences with the form may vary, the high number of reviews suggests overall satisfaction for its intended uses.

storefrontBrand
75 High impact

Nature's Bounty is a widely recognized brand in the supplement market, known for offering a range of accessible and common nutritional products. It has a broad presence and history.

flagReport analysis
track_changesGoals
flagDigestive Health
Impact
High effect
Magnesium oxide is often used and can be quite effective for promoting digestive regularity and relieving occasional constipation. Its osmotic properties draw water into the bowel, aiding transit.
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flagGeneral Health
Impact
Moderate effect
This product provides elemental magnesium for general intake, which is foundational for many bodily processes. However, the low bioavailability of the oxide form limits its overall effectiveness for comprehensive general health support beyond basic intake.
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flagHeart Health
Impact
Moderate effect
Magnesium oxide may contribute to general magnesium intake, which supports heart function, but its lower absorption makes it less optimal for this goal compared to more bioavailable forms. Consistent, well-absorbed magnesium is generally preferred for cardiovascular support.
View goal →
flagCardiovascular Support
Impact
Moderate effect
While contributing to elemental magnesium, the low systemic bioavailability of magnesium oxide means it may not be the most effective for robust cardiovascular support. Other forms tend to be more readily utilized by the body for these functions.
View goal →
flagBone Health
Impact
Moderate effect
Magnesium is important for bone structure, but the lower systemic absorption of magnesium oxide means it may not be the most efficient way to increase magnesium levels for significant bone density support. Better-absorbed forms are generally recommended.
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flagEnergy
Impact
Moderate effect
Magnesium plays a role in energy production, but the limited systemic absorption of magnesium oxide makes it a less efficient choice for actively boosting energy levels. Better-absorbed forms would have a more direct impact.
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flagMuscle Gain
Impact
Lower effect
Magnesium is involved in muscle function, but the low systemic absorption of magnesium oxide means it may not efficiently deliver the necessary magnesium to muscle tissues. More bioavailable forms would be more beneficial for muscle support.
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flagSleep Support
Impact
Lower effect
Magnesium oxide is not typically the preferred form for relaxation or sleep support due to its lower systemic absorption and potential digestive effects. Forms like glycinate or citrate are generally more suitable for these benefits.
View goal →
scienceIngredients
IngredientAmount per serving
Magnesium
500 mg
grain_off Gluten Free person Adults 18–50 free_breakfast Dairy Free Sugar Free
flagReport overview
Magnesium 55
This product delivers elemental magnesium, but the choice of magnesium oxide significantly limits its systemic bioavailability and versatility compared to other forms in the magnesium collection. It serves primarily as a budget-friendly option for high-dose intake or digestive support.
scienceView ingredientinventory_2View products
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