2.Specification:99%
3.CAS:73-32-5
4.Free Sample
5.Capsules,tablets,softgel,gummies,small bags,private label
6.Test Method:HPLC,UV&GC
7.Vacuum Aluminum Foil Bag; Fiber Drum for 25kg with inside double layer food grade poly bag
8. DeliveryTime:1-3 working days
9. Organic,Gluten free,no Allergen,Non-GMO,Paraben free,No Colors, BSE/TESE Free,Vegan
10. Certificates:Kosher, ISO22000, HALAL, USDA, FDA, FSSC22000, HACCP, EU Organic, EcoCert, BS EN 15662, cGMP
- Product Description
Premium L-Isoleucine Powder – Essential BCAA for Sports Nutrition & Clinical Applications
Are you searching for a high-purity amino acid to enhance your formulations? L-Isoleucine Powder is one of the three fundamental branched-chain amino acids (BCAAs) that your body cannot create on its claim. As a driving provider, Shaanxi Fairir Biotech Co., Ltd. offers pharmaceutical-grade powder delivered through progressed microbial aging innovation. Our item ensures vegan-friendly root, remarkable virtue levels coming to 99%+, and full compliance with universal quality benchmarks. Whether you're defining sports supplements, clinical sustenance arrangements, or biopharma cell culture media, our powder conveys the consistency and quality your brand demands.

What Makes Our L-Isoleucine Powder Stand Out?
L-Isoleucine is more than fair another amino acid. It plays a crucial part in muscle protein union, glucose take-up in muscle cells, and vitality generation amid seriously physical action. Not at all like non-essential amino acids that your body can fabricate, this basic supplement must come from outside sources.
Our powder is made utilizing state-of-the-art aging forms with Corynebacterium glutamicum strains on vegetable glucose substrates. This strategy guarantees a totally non-animal, vegan-friendly item that meets the developing request for plant-based ingredients.
The powder shows up as white crystalline fabric with a somewhat sharp taste. It highlights fabulous solvency characteristics when appropriately handled, making it perfect for different application designs counting capsules, tablets, ready-to-drink refreshments, and powder blends.
Technical Specifications You Can Trust
| Item | Specification | Results |
| Description |
White crystals or crystalline powder; tastes at first slightly sweet and then bitter |
Conforms |
| Identification | Concordant with the reference spectrum | Conforms |
| Assay | 98.5%~101.5% | 99.60% |
| Specific Rotation | +38.9°~+41.8° | +40.7° |
| Loss on drying | Not more than 0.30% | 0.14% |
| Residue on ignition | Not more than 0.30% | 0.11% |
| Sulphate | Not more than 0.03% | <0.03% |
| Chloride | Not more than 0.05% | <0.05% |
| pH | 5.5~7.0 | 6.36 |
| Iron | Not more than 0.003% | <0.003% |
| Heavy metals | Not more than 15PPM | Conforms |
| Lead | Not more than 3ppm | Conforms |
| Arsenic (as As)) | Not more than 1ppm | Conforms |
| Mercury | Not more than 0.1ppm | Conforms |
| Conclusion | this product meets the requirements of USP24 | |
*Please Contact Us for the latest COA.
Key Product Features
Pharmaceutical-Grade Purity: Our L-Isoleucine Powder meets USP, EP, AJI, and FCC compendial standards, ensuring you receive consistent quality for regulated applications.
Vegan & Non-GMO: Created solely through aging on plant-based substrates, our powder is totally free from animal-derived ingredients.
Multiple Certifications: We hold ISO 9001:2015, ISO 22000, HACCP, FSSC 22000, Kosher, Halal, and USDA Organic certifications, giving you confidence in our quality management systems.
Low Endotoxin Levels: For clinical and parenteral applications, we can give fabric with controlled endotoxin levels underneath 6.0 EU/g.
Instantized Choices Accessible: To address the common hydrophobicity of isoleucine, we offer lecithin-coated instantized grades that scatter rapidly in cold water for RTD refreshment formulations.
Diverse Applications Across Industries
Sports Nutrition & Fitness Supplements
You'll discover our item broadly utilized in BCAA details, regularly in the well known 2:1:1 proportion with leucine and valine. These supplements bolster muscle recuperation, diminish exercise-induced weariness, and offer assistance keep up incline muscle mass amid caloric limitation. The instantized adaptation breaks up easily in shaker bottles, improving shopper experience.
Clinical & Medical Nutrition
Healthcare experts depend on isoleucine for parenteral sustenance arrangements and enteral nourishing equations. It's especially profitable for patients with liver infection, where keeping up legitimate BCAA-to-aromatic amino acid proportions is pivotal. The item bolsters nitrogen adjust and makes a difference avoid muscle squandering in fundamentally sick patients.
Biopharmaceutical Manufacturing
Our ultra-pure review serves as an basic component in chemically characterized cell culture media for creating monoclonal antibodies, immunizations, and recombinant proteins. The moo overwhelming metal substance avoids cell development hindrance, whereas the non-animal root dispenses with BSE/TSE defilement risks.
Plant-Based Protein Fortification
Many plant proteins need adequate BCAAs. By including our powder to pea, rice, or hemp protein details, you can make a total amino acid profile that rivals creature proteins, assembly the dietary needs of veggie lover and vegan consumers.
Why Choose Shaanxi Fairir Biotech?
Advanced Manufacturing Facility
Our 10,000 square meter GMP-certified facility in Xi'an houses cutting-edge gear counting nonstop countercurrent extraction frameworks, vacuum belt drying hardware, and ultra-micro pulverizers. We work two completely programmed generation lines with 98% generation efficiency.

Rigorous Quality Control
Every batch undergoes comprehensive testing using High Performance Liquid Chromatography (HPLC) and UV spectrophotometry. We keep up strict overwhelming metal controls, microbial testing, and optical revolution confirmation to guarantee steady quality.
Flexible Packaging Solutions
We offer standard packaing in 1kg aluminium foil bag, 5kg cardboard box
and 25kg fiber drum , as well as custom packaging choices to meet your particular prerequisites. All materials are transported beneath temperature-controlled conditions to protect item integrity.

Comprehensive OEM/ODM Services
We accomplice with you to create custom definitions, plan particular bundling, give private labeling, and guarantee administrative compliance over diverse markets. Our experienced group works closely with yours to bring your item vision to life.

Responsive Customer Support
Our learned staff is committed to keen benefit and can talk about your particular needs at any time. We get it the specialized challenges you confront and give commonsense arrangements based on real-world applications.
Common Formulation Challenges Solved
Dispersibility Issues: The common hydrophobicity of isoleucine can cause coasting in water. We address this with instantized grades treated with sunflower or soy lecithin, or by advertising micronized 200-mesh powder for made strides surface contact.
Bitter Taste Veiling: Formulators effectively combine our powder with high-intensity sweeteners like stevia or sucralose, along with malic acid or tartaric acid, to make pleasant-tasting items. Microencapsulation innovation works well for chewable formats.
Stability Concerns: Store the powder in tight, light-resistant holders at controlled room temperature. Keep stickiness in definitions containing decreasing sugars to anticipate Maillard browning responses over time.
Quality Standards & Compliance
Your items merit fixings that meet the strictest administrative necessities. Our powder complies with:
- ISO 9001:2015 Quality Management
- HACCP Food Safety Systems
- Kosher & Halal Dietary Requirements
- USDA Organic Certification (for organic grades)
- FSSC 22000 Food Safety
- GMP (cGMP) Manufacturing Standards
All items are Natural, Gluten-free, Allergen-free, Non-GMO, Paraben-free, BSE/TSE-free, and appropriate for veggie lover formulations.
Ordering Information & Support
Sample Accessibility: We give free tests so you can assess quality some time recently setting bulk orders.
Delivery Time: Standard orders dispatch inside 1-3 working days after installment confirmation.
Minimum Arrange Amount: Contact us for adaptable MOQ alternatives based on your particular needs.
Technical Back: Our group gives detailing direction, steadiness testing suggestions, and administrative documentation support.
Partner With a Trusted Supplier
At Shaanxi Fairir Biotech Co., Ltd., we've built our commerce on shared benefits and long-term organizations. Our proficient administrations, quality items, and competitive estimating have earned us believe among clients worldwide.
Located in Xi'an City, Shaanxi Province, we combine helpful coordinations with profound ability in amino acid fabricating. Our experienced group gets it both the logical and commercial angles of fixing supply, guaranteeing you get not fair a item, but a total solution.
We warmly welcome domestic and international customers to cooperate with us for common success. Whether you're launching a new sports nutrition line, enhancing a clinical formula, or scaling up biopharma L-Isoleucine Powder, we have the capacity, quality, and commitment to support your growth.
Get Started Today
Ready to involvement the contrast that premium-quality amino acids can make in your details? Contact our deals group to talk about your particular prerequisites, ask specialized determinations, or orchestrate test shipments.
Email: sales@fairirbiotech.com
Let us show you why leading brands trust Shaanxi Fairir Biotech for their amino acid ingredient needs. Your success is our priority, and we're here to support you every step of the way.
Note: This product is intended for use as a food ingredient or dietary supplement component. Statements have not been evaluated for the diagnosis, treatment, cure, or prevention of any disease. Consult relevant regulatory guidelines for your specific application and market.
















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