Spring Valley Magnesium 250mg supplement bottle
Spring Valley

Magnesium 250mg

What We Researched
1 active ingredient analyzed · 9 inactive ingredients decoded · Last updated: Mar 2026
100
Product Score Excellent

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Magnesium 250mg
Bioavailability Excellent

Absorption Rating

  • Magnesium Good
Other Ingredients Excellent

Fillers & Additives

  • Magnesium Oxide
  • Microcrystalline Cellulose
  • Calcium Carbonate
  • Carboxymethylcellulose sodium
  • Citric Acid
  • Magnesium Stearate
  • Silica
  • Starch
  • Stearic Acid
Efficacy Excellent

Dosage Analysis

  • Magnesium 250mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Magnesium 250mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Magnesium Oxide Generally_safe

It is used to provide magnesium, an essential mineral.

Microcrystalline Cellulose Safe

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

Calcium Carbonate Safe

Acts as a filler and provides supplemental calcium.

Carboxymethylcellulose sodium Unknown
Citric Acid Safe

Adds tartness and acts as a natural preservative. Also aids in ingredient stability.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Starch Generally_safe

It is used as a filler, binder, or thickener.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Brand Trust Report
Spring Valley

· Bentonville, Arkansas, United States · 214 products · walmart.com/cp/spring-valley/1079329

Transparency

1 claim

Violation History

1 incident
Lawsuit Mislabeled Glucosamine Sulfate products.2017Source
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Frequently Asked Questions
Is Spring Valley Magnesium 250mg a good supplement?

Spring Valley Magnesium 250mg received a product quality score of 100/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 1 active ingredients Of the 9 inactive ingredients, 6 are rated safe and 0 are flagged for review.

What are the ingredients in Spring Valley Magnesium 250mg?

Spring Valley Magnesium 250mg contains 1 active ingredients: Magnesium (250mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Spring Valley Magnesium 250mg safe to take?

Spring Valley Magnesium 250mg 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.