Net Contents
3.53 Oz(s)
Serving Size
0.5 Teaspoon(s)
Servings Per Container
50
Supplement Form
Powder
Bar Code (UPC/SKU)
0 21078 00124 9
Product Version
SN0124 REV F182 FG-102811
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
2 distinct active ingredients are disclosed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
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
Contains
- Milk
- Egg
- Wheat
- 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: 0.5 Teaspoon(s) · 1 per day
| Ingredient | Amount Per Serving | |
|---|---|---|
| Calories | 10 Calorie(s) | — |
| L-Glutamine | 2 Gram(s) | — |
Not Present
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Suggested Use: 1/4 to 1/2 teaspoon daily between meals.
Warnings & Precautions
Precautions re: Pregnant or Nursing or Prescription Medications
Note: If you are pregnant, may become pregnant, or breastfeeding, consult your health care professional before using this product.
Precautions re: All Other
Do not use if either tamper-evident seal is broken or missing.
Precautions re: Children
Keep out of the reach of children.
Storage
Storage
Store in a cool, dry place.
Formulation
Formulation re: Other
Free form Powder
Formulation re: Does NOT Contain
Non GMO Validated
Formula re: Contains
L-Glutamine, a free-form amino acid, can be converted to glutamic acid. Glutamic acid is a usable energy source for the brain, and a precursor to the important inhibitory neurotransmitter GABA (gamma-amino butyric acid). L-Glutamine also plays an important role in ammonia disposal.
Formulation re: Vegetarian/Vegan
Suitable for Vegetarians and vegans.
Formulation re: Does NOT Contain
Contains no yeast, dairy, egg, gluten, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.
FDA Statements
FDA Statement of Identity
Dietary Supplement
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.
Other Label Statements
Seals/Symbols
Non GMO Validated
Brand IP Statement(s) re: (c), (TM), (SM)
Copyright SOURCE NATURALS, INC.
Manufacturer & Distributor
Distributor
Source Naturals, Inc.
P. O. Box 2118, Santa Cruz, CA, 95062
Market Reference
L-Glutamine Source Naturals
iHerb4.7(383)$10.72
Source Naturals, Inc. Glutamine Comfort Powder
PureFormulas.com5.0(1)$18.19
L Arginine Source Naturals
iHerb4.7(222)$9.74
Source Naturals, L-Glutamine, 500 Mg, 50 Tablets
Maple Herbs4.7(383)$35.26
Best Naturals L-Glutamine mg
Target4.5(25)$14.99
L-Glutamine Powder
SeeBeyond$55.00
Source Naturals L Leucine
iHerb4.8(136)$27.49
Source Naturals Amino Athlete 1000 mg 100 Tablet
PureFormulas.com4.8(120)$10.15
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.
Popeye's Supplements
4.9 (644)Vitamin & supplements store
2419 Yonge St, Toronto, ON M4P 2E6, Canada
OurWellness
4.5 (43)Vitamin & supplements store
2465 Yonge St, Toronto, ON M4P 2H6, Canada
Goodie Vibes
4.9 (119)Vitamin & supplements store
By appointment only, 264 Queen St W, Toronto, ON M5V 0L2, Canada
SNS Health - Store
4.8 (959)Vitamin & supplements store
2280 Bovaird Dr E Unit 7, Brampton, ON L6R 3J5, Canada
Popeye's Supplements
4.7 (915)Vitamin & supplements store
115 Yonge St, Toronto, ON M5C 1W4, Canada
Popeye's Supplements
4.9 (1065)Vitamin & supplements store
3350 Dufferin St, North York, ON M6A 3A4, Canada
Popeye's Supplements
4.8 (629)Vitamin & supplements store
659 Yonge St, Toronto, ON M4Y 1Z9, Canada
Popeye's Supplements
4.9 (1127)Vitamin & supplements store
6365 Yonge St, North York, ON M2M 3X8, Canada
Research & Studies
Glutamine as an immunonutrient
H Kim - Yonsei medical journal, 2011 - synapse.koreamed.org
… Both L-Glutamine and L-alanyl-L-glutamine prevented oxidant- or … containing L-alanyl-L-glutamine had lower mortality rates … L-glutamine use in the treatment and prevention of mucositis …
2011184 citationsGlutamine and cancer: metabolism, immune microenvironment, and therapeutic targets
D Nan, W Yao, L Huang, R Liu, X Chen, W Xia… - Cell Communication and …, 2025 - Springer
… unique metabolism of glutamine in cancer cells, its function in various immune cells, the impact of inhibitors of glutamine metabolism, and the therapeutic use of glutamine supplements …
2025103 citationsEffect of glutamine supplementation on changes in the immune system induced by repeated exercise
T Rohde, D MacLEAN, BK Pedersen - Medicine & Science in Sports & …, 1998 - ovid.com
… The purpose of this study was to examine the influence of glutamine supplementation on … In a randomized cross-over placebo-controlled study, eight healthy male subjects performed …
1998202 citationsThe physiological basis and nutritional function of alpha-ketoglutarate
L He, Z Xu, K Yao, G Wu, Y Yin… - Current Protein and …, 2015 - benthamdirect.com
… AKG is also the main source of energy for cells of the … and maintaining the microbial flora in the healthy state [41]. Through … supplementation influences motor activity in healthy rats. Clin…
201582 citationsGastrointestinal 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 citationsDXM, CYP2D6-inhibiting antidepressants, piracetam, and glutamine: proposing a ketamine-class antidepressant regimen with existing drugs
N Cheung - Frontiers in Psychiatry, 2026 - frontiersin.org
… CYP2D6 inhibitor (fluoxetine, paroxetine, or high-dose duloxetine) to prolong DXM exposure; (3) piracetam as an AMPA positive allosteric modulator; and (4) micronized L-glutamine to …
202630 citations
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2022-08-23. DSLD Label ID: 272400. 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.
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