2.Specification:99%
3.CAS:73-22-3
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-Tryptophan Powder - Essential Amino Acid Supplement
Looking for a reliable source of high-quality amino acid supplements? L-Tryptophan Powder is an essential amino acid that plays a imperative part in your body's protein union and generally wellness. At Shaanxi Fairir Biotech Co., Ltd. we get it your require for immaculate, successful dietary fixings. Our powder meets the most noteworthy industry benchmarks with 99% virtue, guaranteeing you get a premium item that bolsters your detailing needs. Whether you're creating dietary supplements or useful nourishments, our item conveys reliable quality you can trust.

What Makes Our L-Tryptophan Product Special?
Your body cannot create this basic amino acid on its claim. You must get it through eat less or supplementation. This normally happening compound is found in different protein-rich nourishments like poultry, eggs, and dairy products.
Once ingested, your body changes over it into 5-HTP, which at that point gets to be serotonin. This critical neurotransmitter makes a difference direct temperament and underpins reliable rest designs. The transformation prepare makes this amino acid especially profitable for wellness applications.
Our manufacturing facility in Xi'an, Shaanxi Province, produces this fixing utilizing progressed extraction and decontamination advances. We keep up strict quality control all through each generation arrange. This guarantees you get a item that meets your correct specifications.
Product Specifications
|
Items |
Specifications |
|
Appearance |
White crystalline powder |
|
Identification |
Infrared absorption |
|
Assay |
99-100.5% |
|
Specific optical rotation[a]D20 |
-29.4o~ -32.8o |
|
Loss on drying |
≤0.3 |
|
Residue on ignition |
≤0.1 |
|
Chloride (Cl) |
≤0.05 |
|
Sulfate (SO4) |
≤0.03 |
|
Iron (Fe) |
≤0.003 |
|
pH value |
5.5 – 7.0 |
|
Heavy metals(Pb) |
≤0.0015 |
*Please Contact Us for the latest version.
Why Choose Shaanxi Fairir Biotech?
Advanced Manufacturing Capabilities
Our 10,000 square meter GMP-certified fabricating facility houses state-of-the-art hardware. We utilize Continuous Countercurrent Extraction Equipment and Double Effect Concentration Equipment for superior product quality.

The facility highlights 14 stainless steel extraction tanks extending from 500 to 3000 liters. Our three completely programmed generation lines accomplish up to 98% generation proficiency. This implies speedier turnaround times for your orders without compromising quality.
Quality testing equipment includes High Performance Liquid Chromatography and UV spectrophotometers. We confirm each bunch to guarantee it meets your details. You get nitty gritty Certificates of Investigation with each shipment.
Comprehensive Quality Assurance
Your peace of intellect things to us. That's why we keep up different worldwide certifications counting ISO 9001:2015, HACCP, and FSSC 22000. Our items comply with FDA and EU security directives.
We test for Peak E levels to ensure they remain below detection limits (typically <10ppm). This strict adherence to safety standards protects your brand reputation. Every batch undergoes rigorous testing before shipment.
Flexible OEM/ODM Services
We partner with you to create custom solutions. Our comprehensive services include:
- Custom formulation development tailored to your target market
- Professional packaging design and production
- Private labeling options that reflect your brand identity
- Regulatory compliance support to navigate complex requirements
- Technical consultation for optimal product performance

Applications and Benefits
Dietary Supplement Formulations
This fundamental amino acid works well in different supplement designs. You can consolidate it into capsules, tablets, softgels, or gummies. Our powder frame offers great flexibility for your detailing needs.
The tall immaculateness level guarantees reliable dosing over clumps. This unwavering quality makes a difference you keep up item quality benchmarks. Your clients get the same successful item each time.
Functional Food and Beverage
While it has water dissolvability, legitimate definition strategies make refreshment applications conceivable. Micronization or pH alteration makes a difference accomplish uniform scattering in ready-to-drink products.
For nourishment applications, the powder mixes effortlessly with other fixings. You can make protein bars, feast substitutions, or braced nourishments. The impartial taste profile won't meddled with your product's flavor.
Feed Grade Applications
Our Feed Grade L-Tryptophan Powder offers fabulous bioavailability for animals nourishment. It keeps up steadiness amid high-temperature bolster preparing up to 120°C. This warm stability guarantees your creatures get full dietary benefits.
The item centers on cost-efficiency whereas keeping up over 98% virtue. It bolsters sound development and improvement in different creature species.
Storage and Handling
Proper capacity keeps up item quality and anticipates caking. Keep the powder in firmly fixed, light-resistant holders. Store at controlled temperatures underneath 25°C with humidity.
These conditions protect flowability and avoid corruption. Taking after these rules guarantees you get most extreme rack life from your buy. We bundle our item in vacuum-sealed aluminum foil bag or fiber drums with food-grade poly pack liners.
Frequently Asked Questions
Q: What distinguishes Feed Grade from Pharma Grade?
A: Both maintain over 98% purity. Pharma Grade undergoes additional purification to remove endotoxins and trace impurities for human consumption. Feed Grade focuses on bioavailability and cost-efficiency for livestock.
Q: How stable is the powder during processing?
A: It exhibits excellent thermal stability. The product resists degradation during standard pelleting and extrusion processes up to 120°C for short durations.
Q: Can you customize packaging?
A: Absolutely! We offer custom packaging solutions to meet your specific requirements. Contact us to discuss your needs.
Q: Do you provide samples?
A: Yes, we offer free samples so you can evaluate product quality before placing larger orders.
Partner With Us Today
We've built our business on mutual benefits and customer satisfaction. Our experienced team provides thoughtful service and can discuss your needs at any time.
Competitive pricing, quality products, and professional service define our approach. We welcome partnerships with businesses worldwide looking for reliable ingredient suppliers.
Ready to source premium L-Tryptophan Powder for your next project? Contact us at sales@fairirbiotech.com to discuss your requirements. Let's work together for common success.
Shaanxi Fairir Biotech Co., Ltd. - Your trusted partner in plant and animal extract solutions.
















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