Puritan's Pride Magnesium Glycinate supplement bottle
Puritan's Pride

Magnesium Glycinate Review

What We Researched
1 active ingredient analyzed · 2 inactive ingredients decoded · 6 brand certifications checked · Last updated: Aug 2026
100
Product Score Excellent
89
Brand Score Good

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 (as Magnesium Glycinate) 240 mg 57%
Bioavailability Excellent

Absorption Rating

  • Magnesium (as Magnesium Glycinate) Good
Other Ingredients Excellent

Fillers & Additives

  • Cellulose
  • Ascorbyl Palmitate
Efficacy Excellent

Dosage Analysis

  • Magnesium (as Magnesium Glycinate) 240 mg Effective

Supplement Facts

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

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Ascorbyl Palmitate Safe

Prevents oxidation and extends shelf life of oil-based supplements.

Brand Trust Report
Puritan's Pride

Founded 1973 · Oakdale, NY, United States · 902 products · puritan.com

Certifications

6 certifications
Nsf Gmp Verified Source
Fda Gmp Inspections Verified Source
Gluten Free Gfco Verified Source
Non Gmo Project Verified Source
Usda Organic Verified Source
Vegan Certified Verified Source

Transparency

4 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source
Contains Proprietary Blend — True

Violation History

1 incident
Lawsuit The lawsuit alleged that the 'buy one get one free' offers were deceptive because the cost of the 'free' product was built into the price of the purchased product.2017Source
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Frequently Asked Questions
Is Puritan's Pride Magnesium Glycinate a good supplement?

Puritan's Pride Magnesium Glycinate 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 with 30 servings per container. All 2 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Puritan's Pride, holds a brand trust score of 89/100 with 6 verified certifications including Nsf Gmp, Fda Gmp Inspections, Gluten Free Gfco, Non Gmo Project.

What are the ingredients in Puritan's Pride Magnesium Glycinate?

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

Is Puritan's Pride Magnesium Glycinate safe to take?

Puritan's Pride Magnesium Glycinate has been analyzed for ingredient safety across all its components. All 2 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Puritan's Pride a trustworthy supplement brand?

Puritan's Pride receives a brand trust score of 89/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1973 and headquartered in Oakdale, NY, United States, the company offers 902 products in their lineup. They hold 6 verified certifications including Nsf Gmp, Fda Gmp Inspections, Gluten Free Gfco, Non Gmo Project. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Puritan's Pride has 1 historical regulatory incident 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.