MRM L-Glutamine 325 supplement bottle
MRM

L-Glutamine 325 Review

What We Researched
2 active ingredients analyzed · 7 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
L-Glutamine (Fermented) 5,000 mg *
Bioavailability Excellent

Absorption Rating

  • L-Glutamine (Fermented) Good
Other Ingredients Excellent

Fillers & Additives

No inactive ingredient data available.

Efficacy Excellent

Dosage Analysis

  • L-Glutamine (Fermented) 5,000 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Calories 20
L-Glutamine (Fermented) 5,000 mg *
Brand Trust Report
MRM

Founded 1996 · Oceanside, CA, USA · 287 products · mrmnutrition.com/

Certifications

7 certifications
Consumerlab Verified Source
Informed Sport Verified Source
Non Gmo Project Verified Source
Usda Organic Verified Source
Vegan Certified Verified Source
NSF Certified Verified
Vegan Action Certified Verified

Transparency

5 claims
Third Party Testing Claim — Claimed Source
In House Testing — Claimed Source
Testing Lab Disclosure — True
Contains Proprietary Blend — True

Violation History

5 incidents
Prop 65 Lead and lead compounds2024-10-25Source
Prop 65 Lead2024-02-02Source
Fda Warning Public health warning against the purchase and consumption of unregistered food supplements.2021-02-10Source
Fda Warning Sale of unregistered food supplements (MRM Kids Attention! Softgels, MRM Chrysin 500, MRM Relax-All with Venetron, Superfoods by MRM Raw Organic Red Beet Powder, MRM Nutrition Ginkgo B 60mg).2021-02-06Source
Fda Warning Public health warning against the purchase and consumption of unregistered food supplements.2021-02-06Source
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Frequently Asked Questions
Is MRM L-Glutamine 325 a good supplement?

MRM L-Glutamine 325 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 2 active ingredients with 65 servings per container. The manufacturer, MRM, holds a brand trust score of 89/100 with 7 verified certifications including Consumerlab, Informed Sport, Non Gmo Project, Usda Organic.

What are the ingredients in MRM L-Glutamine 325?

MRM L-Glutamine 325 contains 2 active ingredients: Calories (20), L-Glutamine (Fermented) (5,000 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is MRM L-Glutamine 325 safe to take?

MRM L-Glutamine 325 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 MRM a trustworthy supplement brand?

MRM receives a brand trust score of 89/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1996 and headquartered in Oceanside, CA, USA, the company offers 287 products in their lineup. They hold 7 verified certifications including Consumerlab, Informed Sport, Non Gmo Project, Usda Organic. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: MRM has 5 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 — 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.