Pure L-Glutamine Free Form Powder

Amino Acids & Protein

Brand: Precision Engineered

PowderOn Market
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Net Contents

14.1 oz.; 400 Gram(s)

Serving Size

1 tsp [4.5 g]

Servings Per Container

Not specified

Supplement Form

Powder

Bar Code (UPC/SKU)

7 66443 67813 7

Product Version

Not specified

Suggested Use

DIRECTIONS: For adults; mix one (1) teaspoon (4.5 g) into 4-8 ounces of water or your favorite beverage one to two times daily. Stir or mix in your Precision Engineered shaker and drink one hour before a workout.

Market Reference

$10.09 – $194.99· 40 listings
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  • Leaky Gut Defense Digestive Support Powder

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  • Glutamine 100% PURE Micronized Free Form

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  • Nutricost L-Glutamine

    Nutricost4.7(2300)
    $17.97
  • Wellah L Glutamine Powder 5g L Glutamine

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    $14.95
  • Prescribed For Life Glutamine L-Glutamine Amino Acid Powder

    Prescribed For Life
    $21.99

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Research & Studies

  • Determination of free arginine, glutamine, and β-alanine in nutritional products and dietary supplements

    JH Baxter, PW Johns - Food Analytical Methods, 2012 - Springer

    … The method provides for an accurate and precise … , in free form, to a nutritional product or dietary supplement. Among the … stability of free l-glutamine in reconstituted powder products, …

    201222 citations
  • Antibiotic-Free Expression of γ-Glutamyl Transpeptidase in Bacillus subtilis and Process Optimization for L-Theanine Separation and Purification

    R Zhang, B Jiang, Z Xiao, L Xiang - Molecules, 2026 - mdpi.com

    2026
  • A nutritional supplement based on a synbiotic combination of Bacillus subtilis DSM 32315 and L-alanyl-L-glutamine improves glucose metabolism in healthy …

    A Kordowski, VV Tetzlaff-Lelleck, B Speckmann… - Frontiers in …, 2022 - frontiersin.org

    … damage from increased morbidity and health care … in form of a dietary supplement based on the synbiotic formulation comprising Bacillus subtilis DSM 32315 and L-alanyl-L-glutamine, …

    20229 citations
  • l-Glutamine-, peptidyl- and protein-glutaminases: structural features and applications in the food industry

    YB Martínez, FV Ferreira, MA Musumeci - World Journal of Microbiology …, 2022 - Springer

    … l-glutamine on human health, a case of hepatotoxicity caused by excessive intake of l-glutamine … deliberate intake of l-glutamine is not recommended and its supplementation should be …

    202221 citations
  • A review on biochemical and therapeutic aspects of glutaminase

    R Unissa, M Sudhakar, ASK Reddy… - Int J Pharm Sci …, 2014 - academia.edu

    … tumor cells from L- glutamine and causes selective death of L-Glutamine dependent tumor … and health monitoring. Enzymatic determination of glutamine and glutamate is more accurate …

    201431 citations
  • L-Glutaminase as a therapeutic enzyme of microbial origin

    A Sabu, KM Nampoothiri, A Pandey - Microbial Enzymes and …, 2005 - Springer

    … body are essential for life and health. Microbial enzymes play a … In general a medium containing L-glutamine as the sole … inert materials for SSF facilitates accurate designing of media, …

    200524 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2016-07-25. DSLD Label ID: 63136. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.