Pure L-Glutamine Powder®

Amino Acids & Protein

Brand: Doctor's Best

PowderAmino acid/ProteinOff Market
Click to view full label

Net Contents

10.6 Oz(s)

Serving Size

5 Gram(s)

Servings Per Container

60

Supplement Form

Powder

Bar Code (UPC/SKU)

7 53950 00491 7

Product Version

YDRB491

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.

4Dietary Attributes

Label states: Vegan, Vegetarian, Non-GMO, 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

  • Soy
  • 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) · 1– per day

IngredientAmount Per Serving
L-Glutamine5 Gram(s)

Not Present

Other Ingredients

None

Target Groups

VeganVegetarianAdult (18 - 50 Years)Gluten Free

Label Claims

NutrientAll OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested Adult Use: Add 1 scoop to 8 ounces of juice or protein shake and mix well. For best results, drink 1 hour before exercise. Repeat after exercise or before bedtime, or as recommended by a nutritionally-informed physician.

Warnings & Precautions

Precautions re: Pregnant or Nursing or Prescription Medications

Warning: Avoid using if you are pregnant, nursing or if you have liver problems.

Precautions re: All Other

If you are sensitive to monosodium glutamate (MSG), you may be sensitive to glutamine as the body converts glutamine to glutamate. It is recommended to supplement with B vitamins if taking L-Glutamine long term.

Storage

Storage

Store in a cool dry place.

Formulation

Formula re: Contains

Doctor's Best L-Glutamine Powder contains Glutamine, an amino acid that is a building block of protein. Glutamine is most commonly used to support muscle growth, skeletal muscles and athletic endurance. Supplementing with L-Glutamine allows the body the much-needed amino acids to increase muscle hydration. This is an essential process in the body that supports muscle recovery from high intensity workouts.

Formulation re: Does NOT Contain

Non-GMO Gluten free Soy free

Formulation re: Vegetarian/Vegan

Vegan

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

Helps support muscle mass and strength Helps support muscle hydration Helps support post-workout recovery

General: Product/Version Code

YDRB491

Brand IP Statement(s) re: (c), (TM), (SM)

Science-Based Nutrition

General Statements: All Other Content

Helps support muscle mass, strength, and post-workout recovery

Seals/Symbols

Vegan

General Statements: All Other Content

Note: Settling of contents may occur, which my cause slight variations in number servings.

Manufacturer & Distributor

Distributor

Doctor's Best, Inc.

(800) 777-2474

Market Reference

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Where to Buy Locally

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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) and immune function prior to catabolic stress (eg, strenuous exercise). Despite potential …

    202013 citations
  • Clinical Applications of l‐Glutamine: Past, Present, and Future

    PE Wischmeyer - Nutrition in clinical Practice, 2003 - Wiley Online Library

    … been considered a nonessential amino acid in healthy individuals, is now known to be “… indicating that human leukocyte antigen-DR receptor expression on monocytes was significantly …

    2003127 citations
  • THE BENEFITS OF L-GLUTAMINE SUPPLEMENTATION IN ATHLETES.

    A Todero - Journal of Australian Strength & Conditioning, 2014 - search.ebscohost.com

    … precursor supplements. Although glutamine supplementation raises few health concerns, it … supplementation. An extended ninety day administration saw total cholesterol levels of its …

    20142 citations
  • L‐Glutamine Supplementation Improves the Benefits of Combined‐Exercise Training on Oral Redox Balance and Inflammatory Status in Elderly Individuals

    EB Almeida, JMB Santos, V Paixão… - Oxidative Medicine …, 2020 - Wiley Online Library

    … time, that the daily supplementation with L-glutamine for 30 days improved the benefits provided by the exercise program on these remarkable parameters associated to healthy aging. …

    202049 citations
  • L-Glutamic acid and glutamine: Exciting molecules of clinical interest

    C Kulkarni, K Kulkarni, B Hamsa - Indian journal of pharmacology, 2005 - go.gale.com

    … supplementing glutathione and other amino acids have been proposed to be useful in maintaining the integrity of immune system and normal health… L-Glutamine as precursor of GABA …

    200563 citations
  • L-Glutamine supplementation: effects on endurance, power and recovery.

    T Piattoly, TR Parish… - Current topics in …, 2013 - search.ebscohost.com

    … ABSTRACT: The purpose was to examine the influence of L-Glutamine on endurance and … Subjects were then randomized to either L-glutamine (GLU) or placebo (CON) for 6 days. …

    201311 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2019-09-24. DSLD Label ID: 203412. 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.