LifePROMAX Magnesium, 400 mg supplement bottle
LifePROMAX

Magnesium, 400 mg

What We Researched
1 active ingredient analyzed · 5 inactive ingredients decoded · 1 retailer compared · Last updated: Mar 2026
75
Product Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Magnesium (as Magnesium Oxide 400mg) 240mg 57%
Bioavailability Very Poor

Absorption Rating

  • Magnesium (as Magnesium Oxide 400mg) Poor
Other Ingredients Excellent

Fillers & Additives

  • Dicalcium Phosphate
  • Microcrystalline Cellulose
  • Magnesium Stearate
  • Silicon Dioxide
  • Steric Acid
Efficacy Excellent

Dosage Analysis

  • Magnesium (as Magnesium Oxide 400mg) 240mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Magnesium (as Magnesium Oxide 400mg) 240mg 57%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Dicalcium Phosphate Safe

Serves as both a filler and a supplemental source of calcium and phosphorus.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Steric Acid Unknown

Price Comparison

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Brand Trust Report
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Frequently Asked Questions
Is LifePROMAX Magnesium, 400 mg a good supplement?

LifePROMAX Magnesium, 400 mg received a product quality score of 75/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 1 active ingredients with 120 servings per container. Of the 5 inactive ingredients, 4 are rated safe and 0 are flagged for review.

What are the ingredients in LifePROMAX Magnesium, 400 mg?

LifePROMAX Magnesium, 400 mg contains 1 active ingredients: Magnesium (as Magnesium Oxide 400mg) (240mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is LifePROMAX Magnesium, 400 mg safe to take?

LifePROMAX Magnesium, 400 mg has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

What is magnesium good for?

Magnesium Good For is a topic many supplement consumers ask about. In the context of dietary supplements, understanding magnesium good for helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 250,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.

How much magnesium per day?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

What is zinc good for?

Zinc Good For is a topic many supplement consumers ask about. In the context of dietary supplements, understanding zinc good for helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 250,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.