L-Glutamine Unflavored®

Amino Acids & Protein

Brand: GNC Pro Performance

PowderAmino acid/ProteinOn Market
Click to view full label

Net Contents

7.94 Ounce(s)

Serving Size

5 Gram(s)

Servings Per Container

45

Supplement Form

Powder

Bar Code (UPC/SKU)

0 48107 22553 7

Product Version

CODE 509683 IVG

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.

1Dietary Attributes

Label states: Gluten-Free.

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

Allergen Guide

Free From

  • Milk
  • Gluten

Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.

Supplement Facts

Serving Size: 5 Gram(s) · 2 per day

IngredientAmount Per Serving
L-Glutamine5 Gram(s)

Not Present

Other Ingredients

None

Target Groups

Adult (18 - 50 Years)Gluten Free

Label Claims

NutrientAll OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Directions: As a dietary supplement, mix one scoop (5 g) twice daily in 6 to 8 fl. oz. of cold water. For maximum results, take one serving post-exercise.

Warnings & Precautions

Precautions re: Children

Keep out of reach children.

Precautions re: All Other

Warning: Cancer and reproductive harm - www.P65Warning.ca.gov.

Storage

Storage

Store in a cool, dry place.

Formulation

Formulation re: Other

Pro Performance results Supplementation may help maintain glutamine levels that have been depleted as a result of intense exercise. Glutamine is involved in protein synthesis and plays a pivotal role in the body's nitrogen balance. It serves as a fuel for the immune system and maintenance of proper intestinal function. When used in conjunction with an exercise program.

Formulation re: Does NOT Contain

Pro Performance quality Pro Performance L-Glutamine is tested and certified Banned Substance Free. It is gluten free, lactose free and mixes easily with your favorite beverage.

Formula re: Contains

5000mg L-Glutamine

Formula re: Contains

Key amino acids for muscles 45 servings

Formulation re: Does NOT Contain

Banned substance free

Formulation re: Does NOT Contain

Gluten free, lactose free.

Formulation re: Other

Informed-Choice.org Trusted by sport Products bearing this logo have been tested for banned substances by LGC Science, Inc., a world-class anti-doping lab. Product was tested for over 220 banned substances on the 2020 World Anti-Doping Agency (WADA) Prohibited List via LGC skip lot testing protocol #ICP0307.

FDA Statements

FDA Disclaimer Statement

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

FDA Statement of Identity

Dietary supplement

Other Label Statements

General Statements: All Other Content

Notice: Significant product settling may occur.

Seals/Symbols

Informed-Choice.org Trusted by sport

Manufacturer & Distributor

Distributor

General Nutrition Corporation

Pittsburgh, PA, 15222, USA

1-888-462-2548

Market Reference

$18.99 – $104.07· 21 listings
  • GNC Pro Performance L-Glutamine

    GNC4.1(258)
    $24.99
  • Basic Supplements Glutamine 60 Servings

    GNC
    $24.99
  • Beyond Raw Chemistry Labs L-Glutamine

    GNC4.8(29)
    $24.99
  • Gnc Pro Performance 100% Whey Protein Powder

    GNC4.0(177)
    $47.99
  • Codeage Liposomal L-Glutamine 1000mg

    GNC4.8(152)
    $34.99
  • ProLab Glutamine Powder 400 Grams

    GNC4.1(27)
    $39.99
  • GNC Pro Performance L-Glutamine 5000 mg - 50 Servings - 0.55lbs, 250 gm (Unflavored) (Pack of 2)

    Silkrute4.1(258)
    $70.24
  • GNC Pro Performance L-Glutamine 5000 Mg - 50 Servings - 0.55Lbs, 250 Gm (Unflavor) Creatine Monohydrate, (Unflavoured, 100 Grams Powder) COMBO

    Silkrute
    $53.52

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.

  • Holland & Barrett - Wokingham

    4.2 (19)

    Vitamin & Supplements Shop

    19 Peach St, Wokingham RG40 1XG

  • FitCookie Reading

    5.0 (1149)

    Vitamin & Supplements Shop

    15 West St, Reading RG1 1TT

  • 6PACK SUPPLEMENTS

    4.9 (89)

    Vitamin & Supplements Shop

    443 Oxford Rd, Reading RG30 1HD

  • Nutripoint

    4.9 (67)

    Vitamin & Supplements Shop

    2 Wexham Rd, Slough SL1 1UA

  • SL Supplements

    4.9 (211)

    Vitamin & Supplements Shop

    31, The Observatory, High St, Slough SL1 1LE

  • Vitality

    4.7 (7)

    Health food shop

    6 Bush Walk, Wokingham RG41 1AT

  • Privilege Nutrition Ltd

    5.0 (9)

    Vitamin & Supplements Shop

    Unit 28, 94 Farnham Rd, Slough SL1 3FQ

  • LiveWell Sciences Ltd

    1.0 (2)

    Vitamin & Supplements Shop

    2 Deller St, Binfield, Bracknell RG42 4UU

Research & Studies

  • Gastrointestinal Tolerance of Low, Medium and High Dose Acute Oral l-Glutamine Supplementation in Healthy Adults: A Pilot Study

    HB Ogden, RB Child, JL Fallowfield, SK Delves… - Nutrients, 2020 - mdpi.com

    … l-Glutamine (GLN) is a conditionally essential amino acid which supports gastrointestinal (GI… high dose oral GLN supplementation is poorly characterised. Fourteen healthy males (25 ± …

    202013 citations
  • L-glutamine supplementation enhances strength and power of knee muscles and improves glycemia control and plasma redox balance in exercising elderly …

    GR Amirato, JO Borges, DL Marques, JMB Santos… - Nutrients, 2021 - mdpi.com

    … , coordinator of this Primary Health Care Program at … and medical authorization to perform the regular program of physical exercises; and with complete registration in the Primary Health …

    202141 citations
  • The effects of acute/chronic glutamine and glutamine peptide supplementation on the performance and immune function in young active adult athletes

    H Rezende Freitas, A da Silva Pereira… - Current Nutrition & …, 2015 - ingentaconnect.com

    … or endurance training and L-glutamine or glutamine peptide supplementation. Acquired data … Why is L-glutamine metabolism important to cells of the immune system in health, postinjury…

    20153 citations
  • l-Glutamine supplementation enhances glutathione peroxidase and paraoxonase-1 activities in HDL of exercising older individuals

    RS Pires, PGS Braga, JMB Santos, JB Amaral… - Experimental …, 2021 - Elsevier

    … Therefore, the objective of this study was to investigate the effects of Gln supplementation on the redox balance and on the total HDL antioxidant capacity by evaluation of the activity of …

    202116 citations
  • Metabolism and nutrition of L-glutamate and L-glutamine in ruminants

    G Wu, FW Bazer, GA Johnson, MC Satterfield… - Animals, 2024 - mdpi.com

    … and pregnancy), and optimal health in ruminants. Dietary supplementation with Glu or Gln can … reproduction functions of ruminants and thus augment health and production parameters. …

    202437 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2021-10-22. DSLD Label ID: 259731. 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.