Pure L-Glutamine Free Form Powder®
Amino Acids & ProteinBrand: Precision Engineered
Functions
Net Contents
14.1 oz.
Serving Size
1 tsp
Servings Per Container
89
Supplement Form
Powder
Bar Code (UPC/SKU)
7 66443 67813 7
Product Version
Prod. # 67813 B67808 04A
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: Vegetarian, 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
- Fish
- 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: 1 tsp · 1–2 per day
| Ingredient | Amount Per Serving | |
|---|---|---|
| Calories | 20 Calorie(s) | — |
| L-Glutamine | 4500 mg | — |
Not Present
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
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.
Warnings & Precautions
Precautions re: Pregnant or Nursing or Prescription Medications
WARNING: If you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use.
Precautions re: All Other
Discontinue use and consult your doctor if any adverse reactions occur.
Precautions re: Children
Not intended for use by persons under the age of 18. Keep out of reach of children.
Precautions re: All Other
Do not use if seal under cap is broken or missing.
Storage
Storage
Store at room temperature.
Formulation
Formulation re: Vegetarian/Vegan
VEGETARIAN DIETARY SUPPLEMENT
Formulation re: Does NOT Contain
No Artificial Color, Flavor or Sweetener, No Preservatives, No Sugar, No Starch, No Milk, No Lactose, No Soy, No Gluten, No Wheat, No Yeast, No Fish. Sodium Free.
FDA Statements
FDA Statement of Identity
VEGETARIAN 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
General Statements: All Other Content
Pro-Amino Muscle Fuel* PROTEIN METABOLISM* SUPPORTS EXERCISE RECOVERY*
General Statements: All Other Content
Pure L-Glutamine Powder ~ Glutamine is a crucial component of muscle cells. ~ Glutamine may promote replenishment of muscle glycogen stores after exercise when combined with carbohydrates.* ~ Intense exercise promotes Glutamine formation and release from muscle.* ~ Supports protein metabolism.*
General Statements: All Other Content
Precision Engineered has pioneered the manufacture of premium sports nutrition supplements. Our commitment to quality is the highest in our industry. Every product undergoes rigorous analysis for purity, potency, safety and freshness. We guarantee it.
Seals/Symbols
QA QUALITY ASSURED
Brand IP Statement(s) re: (c), (TM), (SM)
2016 Precision Engineered Limited (USA)
General: Product/Version Code
PROD. # 67813 B67808 04A
Manufacturer & Distributor
Other
1-800-228-4533
Distributor
Precision Engineered Limited (USA)
Holbrook, NY, 11741, USA
Market Reference
Pure Encapsulations L-Glutamine Powder
Pure For You4.7(163)$55.00
Precision Engineered Pure L-Glutamine Unflavored
Vitamin World USA$28.04
Codeage Liposomal L Glutamine+ Powder
Bodybuilding.com4.7(132)$56.99
Leaky Gut Defense Digestive Support Powder
Pure TheraPro Rx$38.97
Glutamine 100% PURE Micronized Free Form
labnutrition$29.00
Nutricost L-Glutamine
Nutricost4.7(2300)$17.97
Wellah L Glutamine Powder 5g L Glutamine
Walmart - eSupplements, llc4.5(2600)$14.95
Prescribed For Life Glutamine L-Glutamine Amino Acid Powder
Prescribed For Life$21.99
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.
GNC
4.5 (60)Vitamin & supplements store
5403 N University Dr, Lauderhill, FL 33351
The Vitamin Shoppe
4.3 (191)Vitamin & supplements store
1400 N University Dr, Coral Springs, FL 33071
Supplement Warehouse
4.9 (525)Vitamin & supplements store
4643 S University Dr, Davie, FL 33328
The Nutrition Shoppe Inc.
5.0 (88)Vitamin & supplements store
5601 Powerline Rd Ste 407, Fort Lauderdale, FL 33309
Nutrition Direct
5.0 (15)Vitamin & supplements store
8197 N University Dr #2A, Tamarac, FL 33321
Vitamin World
4.1 (12)Vitamin & supplements store
12801 W Sunrise Blvd, Sunrise, FL 33323
Healthsupp
5.0 (145)Vitamin & supplements store
1142 S Federal Hwy, Fort Lauderdale, FL 33316
The Vitamin Shoppe
4.5 (191)Vitamin & supplements store
1723 N University Dr, Fort Lauderdale, FL 33322
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 citationsAntibiotic-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
2026A 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 citationsl-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 citationsA 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 citationsL-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.
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