Sunwarrior Magnesium, 4 fl oz (118 ml) supplement bottle
Sunwarrior

Magnesium, 4 fl oz (118 ml)

What We Researched
4 active ingredients analyzed · 1 inactive ingredient decoded · 3 brand certifications checked · 4 retailers compared · Last updated: Mar 2026
75
Product Score Fair
88
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Magnesium 428 mg 100%
Chloride 1178 mg 50 %
Sulfate 75 mg
Boron 1.6 mg
Bioavailability Very Good

Absorption Rating

  • Magnesium Good
  • Chloride Good
  • Sulfate Fair
  • Boron Fair
Other Ingredients Excellent

Fillers & Additives

  • Concentrated seawater complex
Efficacy Poor

Dosage Analysis

  • Magnesium 428 mg High
  • Chloride 1178 mg Under-dosed
  • Boron 1.6 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Magnesium 428 mg 100%
Chloride 1178 mg 50 %
Sulfate 75 mg
Boron 1.6 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$22$21$20$19$18 Mar 12 $19.97$19.97
iHerb
Vitacost

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Sunwarrior

Founded 2008 · Washington, Utah, United States · 99 products · sunwarrior.com/

Certifications

3 certifications
Informed Sport Verified Source
Usda Organic Verified Source
Non Gmo Project Verified Source

Transparency

5 claims
Third Party Testing Claim — Verified Source
Coa Availability — Claimed Source
Testing Lab Disclosure — Verified Source
In House Testing — Verified Source

Violation History

4 incidents
Lawsuit The details of the allegations are not readily available in the provided search results.2024Source
Prop 65 Lead and Lead Compounds2023-12-06Source
Prop 65 Lead2023-03-28Source
Lawsuit Allegedly misleadingly labeling dietary supplements as 'Made in the USA' when they contained foreign ingredients.2015Source
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Frequently Asked Questions
Is Sunwarrior Magnesium, 4 fl oz (118 ml) a good supplement?

Sunwarrior Magnesium, 4 fl oz (118 ml) received a product quality score of 75/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 4 active ingredients Of the 1 inactive ingredients, 0 are rated safe and 0 are flagged for review. The manufacturer, Sunwarrior, holds a brand trust score of 88/100 with 3 verified certifications including Informed Sport, Usda Organic, Non Gmo Project.

What are the ingredients in Sunwarrior Magnesium, 4 fl oz (118 ml)?

Sunwarrior Magnesium, 4 fl oz (118 ml) contains 4 active ingredients: Magnesium (428 mg), Chloride (1178 mg), Sulfate (75 mg), Boron (1.6 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Sunwarrior Magnesium, 4 fl oz (118 ml) safe to take?

Sunwarrior Magnesium, 4 fl oz (118 ml) 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.

Is Sunwarrior a trustworthy supplement brand?

Sunwarrior receives a brand trust score of 88/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2008 and headquartered in Washington, Utah, United States, the company offers 99 products in their lineup. They hold 3 verified certifications including Informed Sport, Usda Organic, Non Gmo Project. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Sunwarrior has 4 historical regulatory incidents on record, which are factored into the trust score.

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.