Metabolic Maintenance L-Glutamine Powder, 1.1 lb (0.5 kg) supplement bottle
Metabolic Maintenance

L-Glutamine Powder, 1.1 lb (0.5 kg)

What We Researched
1 active ingredient analyzed · 2 retailers compared · Last updated: Mar 2026
62
Product Score Fair
68
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
L-Glutamine 1000 mg *
Bioavailability Excellent

Absorption Rating

  • L-Glutamine Good
Other Ingredients Fair

Fillers & Additives

No inactive ingredient data available.

Efficacy Very Poor

Dosage Analysis

  • L-Glutamine 1000 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
L-Glutamine 1000 mg *

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$42$41$40$39$38 Mar 12 $40.00
iHerb

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

Brand Trust Report
Metabolic Maintenance

Founded 1984 · Sisters, Oregon, United States · 67 products · allergyresearchgroup.com/metabolic-maintenance

Transparency

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

Violation History

2 incidents
Prop 65 Lead2011-07-19Source
Lawsuit Failure to provide clear and reasonable warnings about exposure to lead in various supplement products.2011Source
Related Supplements
Frequently Asked Questions
Is Metabolic Maintenance L-Glutamine Powder, 1.1 lb (0.5 kg) a good supplement?

Metabolic Maintenance L-Glutamine Powder, 1.1 lb (0.5 kg) 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 The manufacturer, Metabolic Maintenance, holds a brand trust score of 68/100.

What are the ingredients in Metabolic Maintenance L-Glutamine Powder, 1.1 lb (0.5 kg)?

Metabolic Maintenance L-Glutamine Powder, 1.1 lb (0.5 kg) contains 1 active ingredients: L-Glutamine (1000 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Metabolic Maintenance L-Glutamine Powder, 1.1 lb (0.5 kg) safe to take?

Metabolic Maintenance L-Glutamine Powder, 1.1 lb (0.5 kg) 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 Metabolic Maintenance a trustworthy supplement brand?

Metabolic Maintenance receives a brand trust score of 68/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1984 and headquartered in Sisters, Oregon, United States, the company offers 67 products in their lineup. Note: Metabolic Maintenance has 2 historical regulatory incidents on record, which are factored into the trust score.

Scan Any Supplement Instantly

Download GoodSupp to scan barcodes, check ingredient safety, and find the best supplements for your needs.

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.