L-Glutamine Powder®

Amino Acids & Protein

Brand: Allergy Research Group

PowderAmino acid/ProteinOff Market
Click to view full label

Net Contents

200 g

Serving Size

1 tsp

Servings Per Container

42

Supplement Form

Powder

Bar Code (UPC/SKU)

7 13947 72130 2

Product Version

Rev. 002

Label Analysis

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

1Active Ingredients

Single-ingredient formula listed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Supplement Facts

Serving Size: 1 tsp · 1–3 per day

IngredientAmount Per Serving
L-Glutamine4.7 g—

Not Present

Target Groups

Adult (18 - 50 Years)No Allergies

Label Claims

All Other

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested Use As a dietary supplement, 1 teaspoon (approx. 4.7 grams) in water one to three times daily before meals, or as directed by a healthcare practitioner.

Storage

Storage

Keep in a cool, dry place, tightly capped.

Formulation

Formulation re: Does NOT Contain

This nutrient is of the highest quality and purity obtainable, is free of all common allergens (antigens), and does not contain preservatives, diluents, or artificial additives.

Formula re: Type

HYPOALLERGENIC

FDA Statements

FDA Statement of Identity

dietary supplement

Other Label Statements

General Statements: All Other Content

L-glutamine, a free form amino acid. High purity, well tolerated.

General Statements: All Other Content

Variations in product color may occur.

General: Product/Version Code

Rev. 002

Manufacturer & Distributor

Distributor

Allergy Research Group

Alameda, CA, 94502

Market Reference

$9.99 – $400.43· 40 listings
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  • Sports Research L-Glutamine

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  • Allergy Research Group L-Glutamine mg

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  • Wellah L Glutamine Powder 5g L Glutamine

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  • Pure Encapsulations L-Glutamine Powder

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    $55.00
  • L-Glutamine Powder

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    $27.00

Where to Buy Locally

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

Showing representative supplement & health retailers — search above for stores in your area.

  • The Vitamin Shoppe

    4.3 (168)

    Vitamin & supplements store

    1701 Chestnut St, Philadelphia, PA 19103

  • AlchemLife

    5.0 (3)

    Vitamin & supplements store

    1628 John F Kennedy Blvd 6th Floor, Suite 610, Philadelphia, PA 19103

  • Natures Nutrition Center

    4.7 (45)

    Health food store

    7596 Haverford Ave A, Philadelphia, PA 19151

  • GNC

    4.5 (70)

    Vitamin & supplements store

    1100 S Christopher Columbus Blvd Ste 15, Philadelphia, PA 19147

  • Herbalife Club (Upper Darby Nutrition)

    4.9 (28)

    Vitamin & supplements store

    7313 West Chester Pike, Upper Darby Township, PA 19082

  • Philly Gainz

    4.9 (84)

    Vitamin & supplements store

    6011 Ridge Ave C1, Philadelphia, PA 19128

  • Cross nutrition

    4.0 (4)

    Health food store

    1347 Passyunk Ave, Philadelphia, PA 19147

  • The Vitamin Shoppe

    4.5 (152)

    Vitamin & supplements store

    31 E City Ave #1, Bala Cynwyd, PA 19004

Research & Studies

  • Glutamine-enriched enteral nutrition in very low-birth-weight infants: effect on the incidence of allergic and infectious diseases in the first year of life

    A Van den Berg, A Van Zwol, HA Moll… - … of pediatrics & …, 2007 - jamanetwork.com

    … From 3 through 30 days of life, L-glutamine supplementation … and Mite Allergy Study 27 and the Generation R Study 28 and was … LISA Study Group, Mode of delivery and development of …

    200740 citations
  • Effect of the dietary supplement PERMEAPROTECT+ TOLERANCE© on gut permeability in a human co-culture epithelial and immune cells model

    A Abot, N Pomié, G Astre, PD Cani, J Aussant, E Barrat… - Heliyon, 2024 - cell.com

    … irritable bowel syndrome, allergy or metabolic syndrome. … of the control condition without l-Glutamine. We considered that … Furthermore, we noted that l-Glutamine and PERMEA were …

    20243 citations
  • Integrative metagenomic and metabolomic analysis reveals a gut microbiota-metabolite-immune axis in pediatric allergic rhinitis with functional constipation

    H Wu, L Shi, C Wang, Y Liang, C Huang - Frontiers in Cellular and …, 2026 - frontiersin.org

    … of immunomodulatory amino acids including L-glutamine and γ-aminobutyric acid (GABA). … and Child Healthcare Hospital (Shenzhen, China) for assisting the research team in the …

    2026
  • Elderly Subjects Supplemented with L-Glutamine Shows an Improvement of Mucosal Immunity in the Upper Airways in Response to Influenza Virus Vaccination …

    V Paixão, EB Almeida, JB Amaral, T Roseira… - 2021 - academia.edu

    … L-Glutamine Supplementation … in this study were separated into two groups: the Lglutamine group (Gln, n = 42) and the placebo group (PL, n = 41), following the same supplementation …

    2021
  • The safety of oral use of L-glutamine in middle-aged and elderly individuals

    SC Galera, FV Fechine, MJ Teixeira, ZCB Coelho… - Nutrition, 2010 - Elsevier

    … of nutraceutical oral administration of l-glutamine (l-Gln) in middle-aged and elderly individuals. METHODS: In this randomized, crossover, double-blind clinical study, 30 residents of a …

    201059 citations
  • Role of glutamine in protection of intestinal epithelial tight junctions

    RK Rao, G Samak - Journal of epithelial biology & …, 2011 - pmc.ncbi.nlm.nih.gov

    … the diffusion of toxins, allergens and pathogens from the luminal … L-Glutamine the most abundant amino acid in blood plays a … The focus of this article is on the role of L-glutamine in the …

    2011254 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2013-04-25. DSLD Label ID: 20433. 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.