Carlson L-Glutamine Powder supplement bottle
Carlson

L-Glutamine Powder

What We Researched
1 active ingredient analyzed · 6 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
62
Product Score Fair
84
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
L-Glutamine 3 g
Bioavailability Excellent

Absorption Rating

  • L-Glutamine Good
Other Ingredients Fair

Fillers & Additives

No inactive ingredient data available.

Efficacy Very Poor

Dosage Analysis

  • L-Glutamine 3 g Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
L-Glutamine 3 g

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 L-Glutamine Powder a good supplement?

Carlson L-Glutamine Powder received a product quality score of 62/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 1 active ingredients with 333 servings per container. 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 L-Glutamine Powder?

Carlson L-Glutamine Powder contains 1 active ingredients: L-Glutamine (3 g). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Carlson L-Glutamine Powder safe to take?

Carlson L-Glutamine Powder 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.

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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.