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L-Glutamine Powder (CAS 56-85-9) | 99% Purity Food & Feed Grade Supplier

Sep 15, 2026

 

Product Overview

L-Glutamine Powder (CAS 56-85-9) is a naturally occurring non-essential amino acid and the most abundant amino acid in the human body. It appears as fine white crystalline powder, odorless, freely soluble in water, and slightly soluble in ethanol. As a core nutrient for intestinal repair, muscle recovery and immune regulation, L-Glutamine is widely recognized as a safe and effective nutritional raw material, approved as GRAS by the US FDA and compliant with global food and feed safety standards.
GNF CHEMICAL CO.,LTD is a professional bulk manufacturer and exporter of high-purity L-Glutamine Powder. We supply stable food grade and feed grade L-Glutamine with purity up to 99% and ultra-low impurities. With standardized production systems and complete export qualifications, our products are widely exported to Southeast Asia, the Middle East, Europe, Africa and other global markets, serving nutritional supplement factories, functional food manufacturers, pharmaceutical enterprises and feed processing plants.

Core Product Advantages

1. High Purity & Strict Quality Control

Our L-Glutamine Powder reaches 99.0% minimum purity, complying with FCC and USP monograph standards. The product features uniform particle size, good fluidity, low moisture content and ultra-low heavy metal residues. Every batch undergoes strict laboratory testing and is delivered with an official COA report, ensuring stable and consistent batch indicators without quality fluctuation, fully meeting high-standard formula production requirements.

2. Dual Grades for Diversified Scenarios

We provide two mainstream grades to cover all market demands. Food grade L-Glutamine is specially used for human functional food, sports nutrition supplements and health products. Feed grade L-Glutamine is dedicated to animal feed additives, effectively improving animal intestinal health, enhancing immunity and promoting growth. Custom particle size specifications are available to meet personalized production needs.

3. Safe & Globally Certified

L-Glutamine is a non-toxic, harmless and easily metabolized amino acid with no side effects. Our products hold complete international certifications including HALAL, KOSHER, ISO22000 and HACCP, fully complying with global food and feed import regulations. It supports product registration and customs clearance in most countries and regions worldwide.

4. Stable Supply & Flexible Procurement

Supported by automated production lines and sufficient inventory, we guarantee stable monthly output and long-term bulk supply capacity. We support small-batch trial orders and large FCL bulk orders, with flexible MOQ and competitive factory ex-factory prices, helping global customers reduce procurement costs and stock risks.

Product Specifications

  • Product Name: L-Glutamine Powder
  • CAS No.: 56-85-9
  • Molecular Formula: C₅H₁₀N₂O₃
  • Molecular Weight: 146.14
  • Purity: ≥99.0%
  • Appearance: White crystalline powder
  • Solubility: Freely soluble in water, slightly soluble in ethanol
  • Loss on Drying: ≤0.5%
  • Heavy Metal: ≤10ppm
  • Grade Standard: FCC / USP / Food Grade / Feed Grade
  • Packaging: 25kg kraft paper bag with inner PE liner
  • Shelf Life: 24 months in sealed, cool and dry storage

Wide Applications

Functional Food & Nutritional Supplements

As a core raw material for sports nutrition and health supplements, L-Glutamine is widely added in protein powder, nutritional tablets, functional beverages and post-workout recovery products. It effectively repairs intestinal mucosa, relieves exercise-induced muscle fatigue, accelerates muscle recovery and enhances human immune function, which is popular in the global health food market.

Pharmaceutical Industry

It serves as an important pharmaceutical intermediate and amino acid supplement raw material, applied in amino acid infusion solutions, intestinal nutrition preparations and adjuvant therapeutic drugs, helping regulate human metabolic balance and assist physical recovery.

Animal Feed Industry

Feed grade L-Glutamine is an efficient green feed additive. It optimizes the intestinal microecology of livestock and poultry, improves nutrient absorption rate, enhances animal disease resistance, reduces breeding losses, and improves breeding efficiency and meat quality.

Certifications & Export Advantages

Our L-Glutamine Powder fully complies with FCC, USP and international safety standards, with complete HALAL, KOSHER, ISO22000 and HACCP qualifications. We can provide full set of export documents including COA, TDS, MSDS and origin certificate to support smooth customs clearance and product registration for global buyers.
As a direct factory exporter, we eliminate intermediate profits, provide cost-effective bulk prices and one-stop export services including technical consultation, order tracking and after-sales support, creating reliable and worry-free procurement experience for customers.

FAQ

1. What is L-Glutamine used for?

L-Glutamine is a multifunctional amino acid widely used in nutritional supplements, functional food, pharmaceuticals and animal feed. It mainly supports intestinal health, accelerates muscle recovery, boosts immune function and regulates body metabolism. It is the most popular raw material for sports nutrition and daily health care products.

2. Is L-Glutamine safe for long-term use?

Yes. L-Glutamine is a natural amino acid existing in the human body, recognized as GRAS safe by US FDA and compliant with global food safety regulations. It is non-toxic, non-allergenic and easy to metabolize. Our high-purity L-Glutamine with low impurities is safe for long-term addition in food, supplements and feed products.

3. How to store L-Glutamine powder properly?

L-Glutamine powder is slightly hygroscopic. It should be stored in a sealed, cool, dry and well-ventilated environment, avoiding high temperature, humidity and direct sunlight. Under standard storage conditions, the shelf life can reach 24 months with stable quality and no deterioration or caking.

Cooperation Inquiry

High-quality L-Glutamine Powder is an essential nutritional raw material for the global health food, pharmaceutical and feed industries. GNF CHEMICAL adheres to the principle of quality supremacy and win-win cooperation, committed to providing global customers with high-purity, stable and cost-effective L-Glutamine products and professional customized solutions.
Welcome worldwide importers, distributors, food factories and feed manufacturers to contact us for free samples, detailed specifications and the latest bulk quotations. We look forward to establishing long-term stable cooperative relationships with you!
 L-Glutamine Powder

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