Magnesium 200 mg
Swanson
Magnesium 200 mg
4.7
★ ★ ★ ★ ★
(1029 ratings)
Magnesium 400 mg
Score 35
An economical magnesium supplement providing 200mg elemental magnesium from magnesium oxide. Its poor systemic bioavailability limits its effectiveness for broad health goals, primarily serving as a laxative.
Quantity: 250 Capsule(s) • (125 servings)
Goals: flag Heart Health flag Anti-Aging flag Cardiovascular Support flag Digestive Health flag Fitness
leaderboard Score 35
An economical magnesium supplement providing 200mg elemental magnesium from magnesium oxide. Its poor systemic bioavailability limits its effectiveness for broad health goals, primarily serving as a laxative.
insights Analysis
Swanson Magnesium 200 mg (per the title, derived from 400mg Magnesium Oxide in the ingredients) delivers 200mg of elemental magnesium. As with other magnesium oxide supplements, its effectiveness for systemic benefits like energy, stress, heart, bone, mood, and sleep is severely limited by its very low systemic bioavailability. A significant portion of the magnesium will instead exert an osmotic laxative effect. Despite its economical price per serving and numerous positive reviews, consumers seeking comprehensive magnesium repletion for broad health benefits should be aware of the absorption challenges associated with this form.
- Very low price per serving
- Economical way to get a magnesium dose
- Can be effective for occasional constipation
- Magnesium Oxide form has low systemic bioavailability for most health goals
- Less effective for addressing systemic magnesium deficiency
- May cause digestive upset or laxative effects
- Primary action is often laxative; individuals not seeking this effect should consider alternative forms.
- Not ideal for long-term systemic magnesium supplementation due to poor absorption.
$6.59($0.05 per serving)
 iHerb | $ 6.59 | |
 Walmart | $ 11.41 |
Ingredients
| Ingredient | Amount per serving |
|---|---|
Magnesium | 400 mg |
Categories
Magnesium 40
Offers magnesium at a very competitive price, but the low systemic bioavailability of the Magnesium Oxide form means it's less effective for comprehensive magnesium supplementation compared to better forms.
Goals
Provides elemental magnesium, but the Magnesium Oxide form is poorly absorbed for systemic functions, thus offering limited contribution to overall physiological health compared to more bioavailable forms.
Direct energy support through ATP requires good absorption, which is not efficiently achieved with Magnesium Oxide, making its impact on energy levels minimal.
Systemic availability is key for magnesium to impact stress, and Magnesium Oxide's low absorption reduces its efficacy for calming the nervous system and supporting stress relief.
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(5354 ratings)
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