Carlson Chelated Magnesium Glycinate 400 mg supplement bottle
Carlson

Chelated Magnesium Glycinate 400 mg

What We Researched
4 active ingredients analyzed · 10 inactive ingredients decoded · 6 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
87
Product Score Good
84
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Total Carbohydrates 1 g 1%
Magnesium (as Magnesium Glycinate Chelate, Magnesium Oxide) 400 mg 95%
Bioavailability Very Good

Absorption Rating

  • Total Carbohydrates Fair
  • Magnesium (as Magnesium Glycinate Chelate, Magnesium Oxide) Good
Other Ingredients Excellent

Fillers & Additives

  • Rice Flour
  • Cellulose
  • Stearic Acid
  • Croscarmellose Sodium
  • Silicon Dioxide
  • Magnesium Stearate
  • Hydroxypropyl Methylcellulose
  • Ethylcellulose
  • Carnauba Wax
  • Pharmaceutical Glaze
Efficacy Very Good

Dosage Analysis

  • Magnesium (as Magnesium Glycinate Chelate, Magnesium Oxide) 400 mg High

Supplement Facts

Ingredient Amount % Daily Value
Calories 10 kcal
Total Carbohydrates 1 g 1%
Protein 1 g
Magnesium (as Magnesium Glycinate Chelate, Magnesium Oxide) 400 mg 95%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Rice Flour Safe

Natural bulking agent to fill capsule space. Hypoallergenic.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Croscarmellose Sodium Safe

Helps tablets break apart and dissolve quickly in the stomach.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Hydroxypropyl Methylcellulose Safe

It is used as a coating for tablets and capsules.

Ethylcellulose Generally_safe

It is used as a coating to control the release of supplement ingredients.

Carnauba Wax Safe

Provides a glossy, protective coating on tablets.

Pharmaceutical Glaze Generally_safe

It is used to coat tablets or capsules for easier swallowing or controlled release.

Price Comparison

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

Brand Trust Report
Carlson

Founded 1965 · Arlington Heights, Illinois, United States · 378 products · carlsonlabs.com/

Certifications

6 certifications
Consumerlab Verified Source
Labdoor Verified Source
Non Gmo Project Verified Source
Fda Gmp Inspections Verified Source
Usda Organic Verified Source
Vegan Certified Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Claimed Source

Violation History

4 incidents
Prop 65 Lead and lead compounds2024-02-05Source
Lawsuit Aloe Vera Gel products contained no detectable amount of aloe vera.2017Source
Prop 65 Retinol/Retinyl Esters2014-04-25Source
Lawsuit Patent infringement and unfair competition regarding the flavoring of gelatin capsules.2007Source
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Frequently Asked Questions
Is Carlson Chelated Magnesium Glycinate 400 mg a good supplement?

Carlson Chelated Magnesium Glycinate 400 mg received a product quality score of 87/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 4 active ingredients with 60 servings per container. Of the 10 inactive ingredients, 8 are rated safe and 0 are flagged for review. The manufacturer, Carlson, holds a brand trust score of 84/100 with 6 verified certifications including Consumerlab, Labdoor, Non Gmo Project, Fda Gmp Inspections.

What are the ingredients in Carlson Chelated Magnesium Glycinate 400 mg?

Carlson Chelated Magnesium Glycinate 400 mg contains 4 active ingredients: Calories (10 kcal), Total Carbohydrates (1 g), Protein (1 g), Magnesium (as Magnesium Glycinate Chelate, Magnesium Oxide) (400 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Carlson Chelated Magnesium Glycinate 400 mg safe to take?

Carlson Chelated Magnesium Glycinate 400 mg 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 Carlson a trustworthy supplement brand?

Carlson receives a brand trust score of 84/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1965 and headquartered in Arlington Heights, Illinois, United States, the company offers 378 products in their lineup. They hold 6 verified certifications including Consumerlab, Labdoor, Non Gmo Project, Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Carlson 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.