1. Product Overview
L-Glutamine is the most abundant conditionally essential amino acid found within human skeletal muscle tissue and plasma. During periods of intense physical exertion, heavy training, or metabolic stress, the body’s natural glutamine stores can become depleted faster than they can be synthesized. Supplementation plays a crucial role in replenishing these pools, supporting optimal nitrogen balance, reducing muscle protein breakdown, and maintaining mucosal barrier integrity in the gastrointestinal tract.
Our premium L-Glutamine Powder is manufactured to a high purity standard of not less than 99.0 percent, verified through strict HPLC testing. For B2B formulators, supplement brands, and contract manufacturers, our bulk L-Glutamine delivers consistent batch quality, fine micronized particle sizing for smooth mixability, and reliable performance across recovery powders, capsules, and functional wellness formulations.
2. Product Specifications (Analytical Quality)
| Test Item | Specification Standard | Batch Result | Test Method |
|---|---|---|---|
| Identification (HPLC/IR) | Corresponds to Reference Standard | Conforms | HPLC / IR |
| Assay (L-Glutamine) | Not less than 99.0% | 99.50% | HPLC / Titration |
| Appearance & Mesh Size | White crystalline powder, 100-200 Mesh | Conforms | Visual / Sieve |
| Loss on Drying | Not more than 0.3% | 0.15% | Gravimetric |
| Heavy Metals (Pb) | Less than 1 ppm | Conforms | ICP-MS |
| Microbiological Analysis | Not more than 1,000 CFU/g | Less than 100 CFU/g | USP/EP Standard |
3. Functional Applications
- Muscle Recovery & Anti-Catabolic Support: Helps accelerate glycogen replenishment and minimize muscle tissue breakdown following intense exercise.
- Gastrointestinal & Gut Health Support: Serves as the primary fuel source for enterocytes, supporting intestinal barrier function and overall gut comfort.
- Immune System Enhancement: Supports immune cell proliferation and function during periods of high physical stress or heavy training loads.
- Nitrogen Transport & Cellular Hydration: Facilitates nitrogen transport across tissues, supporting healthy cellular metabolism and recovery balance.
4. Formulation Combinations
To create synergistic, high-performance product profiles, L-Glutamine pairs exceptionally well with:
- Branched-Chain Amino Acids (BCAAs): Creates an optimal post-workout matrix for comprehensive muscle protection and repair.
- Creatine Monohydrate: Combines cellular energy support with amino acid recovery for complete sports nutrition formulas.
- Prebiotics & Probiotics: Enhances gut health and microbiome support formulations targeting digestive wellness.
5. Market Opportunities
- Expanding Gut-Health & Fitness Convergence: Growing consumer demand for versatile ingredients that bridge athletic recovery with everyday digestive wellness.
- Demand for High-Purity Raw Materials: Supplement brands prioritize clean, laboratory-tested amino acid powders to ensure label accuracy and consumer trust.
- Everyday Active Nutrition: Broad adoption beyond elite athletes into lifestyle wellness, active aging, and general nutritional support.
6. Quality & Supply
- Rigorous Analytical Testing: Verified via high-performance liquid chromatography (HPLC); every commercial lot ships with a detailed, lot-specific Certificate of Analysis (CoA).
- Packaging & Storage: Packaged in food-grade aluminum foil bags or double-lined fiber drums (1kg/bag, 25kg/drum). Store tightly sealed in a cool, dry place away from moisture.
- Global Compliance: Manufactured under strict cGMP and ISO quality management frameworks, meeting international export and safety regulations.
7. FAQ (Frequently Asked Questions)
Q1: Is L-Glutamine powder easily soluble in water?
A1: Yes, our micronized L-Glutamine features a fine 100-200 mesh size, allowing it to disperse smoothly into water, shakes, or beverage blends without clumping.
Q2: What are the typical daily use levels in finished consumer supplements?
A2: Standard daily serving sizes typically range from 5g to 10g taken post-workout or split across daily servings depending on the product design.
Q3: Can L-Glutamine be combined with other amino acids?
A3: Absolutely. It is widely paired with BCAAs, creatine, and protein powders to create comprehensive post-workout and recovery formulations.
8. References
- PubMed: Glutamine as an immunonutrient and its effects on exercise recovery – Comprehensive scientific evaluation of glutamine kinetics and athletic performance.
- SpecialChem / Active Ingredients Directory: L-Glutamine Profile – Overview of chemical properties, stability parameters, and nutritional applications.
- Keywords you may search: bulk l-glutamine raw material, pure l-glutamine powder supplier, high purity glutamine ingredient, wholesale sports nutrition powders, HPLC tested l-glutamine raw material








