High quality L-Tryptophan is an essential amino acid for the human body, widely used in nutrition formulations, dietary supplements, and health product manufacturing.
Product advantages
High Purity: Purity ≥99.9%, compliant with USP/EP dual global pharmacopeia standards.
Low Residue: Pb ≤2 ppm; As ≤1 ppm; solvent residue <10 ppm.
Low Microbial: Aerobic plate count <10 CFU/g; mold/yeast not detected.
Uniform Particle Size: D50 = 25μm ± 5%, with a 50% improvement in dissolution rate.
Why Choose Us?
Mature Foreign Trade Experience: Familiar with export procedures, documentation, and customs clearance requirements.
Experienced: Over 30 years of industry experience, an early pioneer in China's amino acid product manufacturing.
Comprehensive Service: Offering one-stop service from product selection to after-sales support.
One-stop service: covering technical consultation, process optimization, and regulatory application.
FAQ
Q: How soon can you ship after placing an order?
A: For in-stock items, shipment can be arranged within 1–3 days.
Q: What international shipping methods are available?
A: We can ship via DHL/FedEx/UPS air freight, or arrange sea freight, railway, or a designated forwarder.
Q: Can you support customer-specified packaging?
A: We can customize labels and packaging as required, with prior communication.
Q: What export documents can you provide?
A: We can provide COA, MSDS, invoice, packing list, certificate of origin, and health certificate.
Q: Can you adjust the particle size according to the customer's formulation needs?
A: Different particle size grades can be supplied upon request, including customized D-value specifications.
Hot Tags: high quality l-tryptophan, China high quality l-tryptophan manufacturers, factory, High Quality Aspartic Acid, Feed Grade Furmaric Acid, Pharmaceutical Grade Aspartic Acid, C4H7NO4, Pharmaceutical Grade Aspartate, Food Grade L Aspartic Acid
