CAS Number: 72-19-5
Source & Form: Fermentation-derived essential amino acid; white crystalline powder
Applications: Nutritional supplements, animal feed, clinical nutrition, protein fortification
Advantages:
What is L-Threonine?
L-Threonine is an essential amino acid that the human body cannot produce and must obtain from dietary sources or supplementation. It is a critical building block for proteins, and plays a key role in the synthesis of collagen, elastin, and muscle tissue. L-Threonine also supports immune system strength, gut lining health, and fat metabolism.
In clinical nutrition, L-Threonine is used in medical foods for patients with metabolic disorders or muscle wasting. In the animal feed industry, it’s widely added to swine and poultry diets to improve growth, feed efficiency, and immune resilience. Our L-Threonine is produced via non-GMO microbial fermentation, offering high purity, solubility, and bioavailability.
Key Benefits:
✅ Essential for protein and muscle synthesis
✅ Supports gastrointestinal health via mucin production
✅ Promotes immune response and liver detoxification
✅ Improves feed efficiency and growth in livestock
✅ Clean-label, vegan-friendly, fermentation-based ingredient
Applications:
FAQs:
Q: What does L-Threonine do for the body?
A: It helps build proteins, supports the immune system, and maintains gut and liver health.
Q: Can it be used for vegetarians and vegans?
A: Yes, our L-Threonine is produced via microbial fermentation and is vegan-friendly.
Q: Is it used in animal nutrition?
A: Yes, extensively used to improve animal growth and feed cost-efficiency.
Q: Can it be blended with other amino acids?
A: Absolutely. It’s commonly paired with lysine, methionine, and tryptophan in amino formulas.

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Anrui Biotechnology Co., Ltd. is a specialized exporter of high-quality food ingredients and additives. We focus on global trade and custom formulation services for functional ingredients, delivering consistent, compliant, and premium-quality supply solutions to our worldwide clients.
Headquartered in Guangzhou, China, Anrui collaborates with GMP-certified manufacturing partners equipped with advanced testing facilities, including HPLC, UV-VIS spectrophotometry, and microbiological analysis, ensuring every batch meets strict international quality and regulatory standards.
Our products are exported to over 60 countries, serving industries such as food, beverages, supplements, and cosmetics.
Fast-moving ingredients for food factories, ready for immediate dispatch.