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Life Extension Potassium with Extend-Release Magnesium
SPECIMEN #LIFE-EXT
Verified
MineralsLife Extension

Potassium with Extend-Release Magnesium

Daily magnesium supplementation with a trace amount of potassium support.. The magnesium component is well-dosed and uses a premium, extended-release form. However, the potassium dose is negligible due to regulatory limits, making it ineffective for meaningful potassium supplementation. This significant weakness pulls the overall score down per the hero product rule.

7.5/10
VERY GOOD

Magnesium at 250mg with extended-release technology (ZumXR) is 63% of optimal 400mg but above minimum effective. The extended release is smart for magnesium absorption. Potassium at 99mg hits the FDA-mandated supplement limit. The magnesium is the real star here, and it delivers well.

2 ingredientsCapsules60 servings
Evidence
7.0
Dosing
3.4
Synergy
6.0
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What We Like

  • Premium extended-release magnesium form (ZümXR®)
  • Adequate magnesium dose

Watch Out For

  • Severely underdosed potassium
  • Misleading product name given potassium dose

What We Analyzed

Potassium with Extend-Release Magnesium Supplement Facts

Verified Supplement Facts

Every dose checked against clinical research

We analyzed the actual supplement facts panel for this product. Every ingredient dose below was cross-referenced with published clinical trials to determine if it matches what studies actually use.

11 ingredients analyzed1 underdosed

Source: Official product page

Ingredient Breakdown

1 adequate1 underdosed
Clinical Adequate Underdosed Overdosed|Bar = % of clinical dose
IngredientDoseStatusvs. Clinical
Magnesium10.0®

ZümXR®

250 mgADEQUATE
63%
250 mg

of 400mg

ADEQUATE
63%
Potassium9.0
99 mgUNDERDOSED
5%
99 mg

of 2000mg

UNDERDOSED
5%
In our database (click to learn more) Not yet reviewed
Other Ingredients(inactive)

vegetable cellulose (capsule), ethylcellulose, microcrystalline cellulose, medium chain triglycerides, stearic acid, rice concentrate, hypromellose, oleic acid, silica

Our Analysis

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