Mag-Ox 400mg Magnesium Oxide Dietary Tablets: Mineral Supplement, 60 Count supplement bottle
Mag-Ox

400mg Magnesium Oxide Dietary Tablets: Mineral Supplement, 60 Count

What We Researched
1 active ingredient analyzed · 8 inactive ingredients decoded · 1 retailer compared · Last updated: Mar 2026
93
Product Score Excellent

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Magnesium 483.0 mg 115%
Bioavailability Excellent

Absorption Rating

  • Magnesium Good
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Hydroxypropyl Cellulose
  • Crospovidone
  • Hypromellose
  • Maltodextrin
  • Magnesium Stearate
  • Silicon Dioxide
  • Peg-400
Efficacy Very Good

Dosage Analysis

  • Magnesium 483.0 mg High

Supplement Facts

Ingredient Amount % Daily Value
Magnesium 483.0 mg 115%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Microcrystalline Cellulose Safe

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

Hydroxypropyl Cellulose Safe

Binds tablet ingredients and can form tablet coatings.

Crospovidone Generally_safe

It is used as a binder to help tablets or capsules disintegrate.

Hypromellose Safe

Forms vegetarian capsule shells. Dissolves easily in the stomach.

Maltodextrin Generally_safe

Helps carry and stabilize active ingredients. Provides bulk.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Peg-400 Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$10$9$8$7$6 $7.89
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Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

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Frequently Asked Questions
Is Mag-Ox 400mg Magnesium Oxide Dietary Tablets: Mineral Supplement, 60 Count a good supplement?

Mag-Ox 400mg Magnesium Oxide Dietary Tablets: Mineral Supplement, 60 Count received a product quality score of 93/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 1 active ingredients with 2 servings per container. Of the 8 inactive ingredients, 5 are rated safe and 0 are flagged for review.

What are the ingredients in Mag-Ox 400mg Magnesium Oxide Dietary Tablets: Mineral Supplement, 60 Count?

Mag-Ox 400mg Magnesium Oxide Dietary Tablets: Mineral Supplement, 60 Count contains 1 active ingredients: Magnesium (483.0 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Mag-Ox 400mg Magnesium Oxide Dietary Tablets: Mineral Supplement, 60 Count safe to take?

Mag-Ox 400mg Magnesium Oxide Dietary Tablets: Mineral Supplement, 60 Count 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.