BulletProof Magnesium supplement bottle
BulletProof

Magnesium Review

What We Researched
1 active ingredient analyzed · 3 inactive ingredients decoded · 6 brand certifications checked · Last updated: Aug 2026
100
Product Score Excellent
97
Brand Score Excellent

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Magnesium 320 mg (as magnesium citrate)
Bioavailability Excellent

Absorption Rating

  • Magnesium Good
Other Ingredients Excellent

Fillers & Additives

  • Modified cellulose (vegetable capsule)
  • Microcrystalline Cellulose
  • Vegetable Magnesium Stearate
Efficacy Excellent

Dosage Analysis

  • Magnesium 320 mg (as magnesium citrate) Effective

Supplement Facts

Ingredient Amount % Daily Value
Magnesium 320 mg (as magnesium citrate)

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Modified cellulose (vegetable capsule) Unknown
Microcrystalline Cellulose Safe

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

Vegetable Magnesium Stearate Safe

Prevents ingredients from sticking to equipment. Derived from vegetable sources.

Brand Trust Report
BulletProof

Founded 2013 · Seattle, Washington, United States · 70 products · bulletproof.com

Certifications

6 certifications
Consumerlab Verified Source
Clean Label Project Verified Source
Fda Gmp Inspections Verified Source
Gluten Free Gfco Verified Source
Non Gmo Project Verified Source
Usda Organic Verified Source

Transparency

4 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Claimed Source
In House Testing — Verified Source

Violation History

12 incidents
Prop 65 Lead2023-04-12Source
Fda Warning Serious violations of FDA's Current Good Manufacturing Practice (CGMP) regulations for dietary supplements. Specific violations included the failure to establish component and product specifications for identity, purity, strength, and composition. The letter also cited unapproved drug claims for products like Curcumin Max and Mitosweet.2020-03-20Source
Fda Warning The warning letter cited 'serious violations' of the FDA's Current Good Manufacturing Practice (CGMP) regulations for dietary supplements. It also noted that certain products were in violation due to claims on the company's website that established them as drugs intended for the cure, mitigation, treatment, or prevention of disease.2020-03-20Source
Fda Warning Serious violations of FDA's regulation for Current Good Manufacturing Practice (CGMP) in Manufacturing, Packaging, Labeling, or Holding Operations for Dietary Supplements. The company's products were found to be adulterated. Additionally, certain products were in violation due to claims on the website that established them as drugs intended for use in the cure, mitigation, treatment, or prevention of disease.2020-03-20Source
Lawsuit A class-action lawsuit alleged that Bulletproof Cold Brew Coffee contained excessive saturated fat and that the company made unsubstantiated health claims, such as improving mental performance and providing fat-burning power, which should classify the product as an unapproved drug.2019Source
Recall Bulletproof Collagen Protein dietary supplement2018-01-25Source
Recall Bulletproof Collagen Protein dietary supplement2018-01-25Source
Recall Bulletproof Collagen Protein dietary supplement2018-01-25Source
Recall Five Collagen Protein Bar and Bite products2017-06-14Source
Recall Five Collagen Protein Bar and Bite products2017-06-14Source
Fda Warning Letter FDA Warning LetterSource
Fda Warning Letter FDA Warning LetterSource
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Frequently Asked Questions
Is BulletProof Magnesium a good supplement?

BulletProof Magnesium 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 3 inactive ingredients, 2 are rated safe and 0 are flagged for review. The manufacturer, BulletProof, holds a brand trust score of 97/100 with 6 verified certifications including Consumerlab, Clean Label Project, Fda Gmp Inspections, Gluten Free Gfco.

What are the ingredients in BulletProof Magnesium?

BulletProof Magnesium contains 1 active ingredients: Magnesium (320 mg (as magnesium citrate)). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is BulletProof Magnesium safe to take?

BulletProof Magnesium 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 BulletProof a trustworthy supplement brand?

BulletProof receives a brand trust score of 97/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2013 and headquartered in Seattle, Washington, United States, the company offers 70 products in their lineup. They hold 6 verified certifications including Consumerlab, Clean Label Project, Fda Gmp Inspections, Gluten Free Gfco. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: BulletProof has 12 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 150,000 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 150,000 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 — read our methodology. 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.