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Magnesium Caps 420 mg
Twinlab
4.7
★ ★ ★ ★ ★
(1376 ratings)
Magnesium 420 mg
Score 55.0
An affordable, high-dose magnesium supplement from Twinlab, but its exclusive use of poorly absorbed Magnesium Oxide limits its systemic health benefits.
Quantity: 200 Capsule(s)Servings size: 1 Capsule(s) (200 servings)
Selected goals:
Other goals:
Stress Relief
Mood Support
Bone Health
Sleep Support
General Health
leaderboard Score 55.0
An affordable, high-dose magnesium supplement from Twinlab, but its exclusive use of poorly absorbed Magnesium Oxide limits its systemic health benefits.
Quantity: 100
Twinlab offers an affordable and high-dose magnesium supplement in the form of magnesium oxide. While the price point is attractive, consumers should be aware that magnesium oxide is primarily used for its laxative properties due to its low absorption rate (typically around 4%). This means that most of the 420mg will not be absorbed to support functions like energy production, nerve transmission, or bone health. For comprehensive magnesium supplementation, professionals recommend choosing forms with higher bioavailability such as magnesium citrate, glycinate, or malate. The relatively low number of reviews compared to other budget options also suggests less widespread adoption or satisfaction.
- Good price per serving.
- High elemental magnesium content per dose.
- Can serve as a laxative.
- Uses Magnesium Oxide, which has poor systemic bioavailability.
- Not ideal for achieving broader health benefits beyond laxative effect.
- May cause digestive upset (diarrhea) in higher doses.
- Poor absorption for systemic magnesium needs.
$16.71($0.08 per serving)
 Amazon | $ 16.71 | |
 iHerb | $ 16.71 | |
 Vitacost | $ 16.71 |
| Ingredient | Amount per serving |
|---|---|
| Magnesium (Magnesium Oxide) | 420 mg |
Categories
Magnesium 55.0
Solely using magnesium oxide, this product offers very low systemic bioavailability, making it generally ineffective for broad magnesium supplementation despite its appealing price.
Goals
General Health 45.0
Limited systemic absorption of magnesium oxide means it contributes minimally to overall general health beyond digestive regularity.
Energy 35.0
Due to poor absorption, the magnesium oxide is unlikely to significantly support cellular ATP production needed for energy.
Stress Relief 35.0
Systemic absorption is crucial for magnesium's role in stress management; magnesium oxide is poorly suited for this.
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