CAS Number: 59-51-8
Source & Form: Chemically synthesized racemic mixture of D- and L- forms; white crystalline or granular powder
Applications: Animal feed additive, poultry and swine growth enhancer, amino acid supplement
Advantages:
What is DL-Methionine?
DL-Methionine is a synthetic form of the essential amino acid methionine, composed of both the D- and L-isomers. While only the L-isomer is biologically active in protein synthesis, animals can convert the D-isomer into usable L-form in the liver, making DL-Methionine a highly efficient and economical amino acid source for livestock and poultry nutrition.
As a feed-grade amino acid, DL-Methionine is vital for animal growth, reproduction, feather and fur development, and immune function. It also plays a critical role in fat metabolism, liver health, and antioxidant synthesis (glutathione). DL-Methionine is widely used in premixes and compound feeds across poultry, swine, ruminants, and aquaculture industries.
Key Benefits:
✅ Improves protein synthesis and nitrogen retention in animals
✅ Essential for optimal growth and feed conversion efficiency
✅ Supports fat metabolism and reduces fatty liver risk
✅ Maintains feather, skin, and hoof quality
✅ Widely accepted in global animal feed formulations
Applications:
FAQs:
Q: What’s the difference between DL- and L-Methionine?
A: DL-Methionine contains both isomers; animals convert the D-form to active L-form, making it fully usable in feed.
Q: Is it suitable for human consumption?
A: No, DL-Methionine is primarily used in animal nutrition. L-Methionine is used in human supplements.
Q: Is it heat stable?
A: Yes, DL-Methionine is stable during feed processing, including pelleting.
Q: Is it approved globally?
A: Yes, widely authorized for use in feed in EU, US, and Asia under GMP and FAMI-QS standards.
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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.
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