| CAS No.: | 59-51-8 | Other Names: | DL-2-Amino-4-(methylthio)butyric acid |
| Molecular formula: | C5H11NO2S | EINECS No.: | 200-432-1 |
| Place of Origin: | China | Type: | Feed grade amino acid |
| Efficacy: | promote growth | Brand Name: | B&H |
| Model Number: | Feed additives | Appearance: | White powder |
| Shelf Life: | 2 years | MOQ: | 1000kg |
| Sample: | Free,≤500g |
Looking for more information?
If you have any questions about products, technical support, after-sales service, etc., Please feel free to contact us at any time.
Talk to an expert +Share:
Feed Grade DL-Methionine Additive
DL-methionine is the world's first restricted amino acid additive in the feed industry. It is a sulfur-containing essential amino acid and a chemically synthesized racemic mixture (50% L-form + 50% D-form). Its core functions are to balance dietary amino acids, promote growth, enhance immunity, and protect the liver. Its cost-effectiveness is significantly higher than that of L-methionine.
DL-Methionine Feed Grade is approved for use in all animal species. Particularly used in monogastric, it ensures an adequate supply of sulfur amino acids, especially of the essential methionine. Additionally, diets for piglets and growing pigs can show a considerable deficiency in methionine, especially when formulated to achieve low nitrogen excretion for ecological reasons. Increasing the utilization of feed resources decreases the cost of feed. Such a deficiency can be conveniently compensated by using Feed Grade DL-Methionine.
| CAS No.: | 59-51-8 | Other Names: | DL-2-Amino-4-(methylthio)butyric acid |
| Molecular formula: | C5H11NO2S | EINECS No.: | 200-432-1 |
| Place of Origin: | China | Type: | Feed grade amino acid |
| Efficacy: | promote growth | Brand Name: | B&H |
| Model Number: | Feed additives | Appearance: | White powder |
| Shelf Life: | 2 years | MOQ: | 1000kg |
| Sample: | Free,≤500g |
Methionine is an essential sulfur-containing amino acid required for normal protein synthesis and animal growth. However, common feed ingredients may not always provide sufficient methionine to meet the nutritional requirements of poultry and swine.
DL-Methionine is widely added to animal feed to improve the amino acid balance of the formulation. It contains both D- and L-forms of methionine. Animals can directly use L-Methionine, while the D-form can be converted into the biologically usable L-form.
When incorporated into a professionally formulated diet, DL-Methionine can help:
The appropriate inclusion level should be determined by a qualified feed formulator according to the animal species, production stage, raw material composition and applicable regulations.
DL-Methionine is commonly used in feed formulations for broilers, layers, breeders and young poultry. Corn- and soybean-based poultry diets may require additional methionine to achieve the desired amino acid balance.
Proper supplementation can support:
The required dosage depends on the poultry type, growth stage, dietary protein level and other amino acid sources in the formulation.
Feed-grade DL-Methionine can also be used in piglet, grower, finisher and breeding swine diets. It helps supplement the methionine naturally supplied by grains, soybean meal and other feed ingredients.
DL-Methionine is suitable for:
Balanced supplementation can help feed manufacturers meet nutritional targets without relying solely on higher levels of protein-rich raw materials.
DL-Methionine and L-Methionine are related but different products.
| Comparison | DL-Methionine | L-Methionine |
| Composition | Mixture of D- and L-forms | L-form only |
| Animal Utilization | D-form is converted into L-form | Directly utilized |
| Common Application | Widely used in animal feed | Used in feed and specialized formulations |
| Market Position | Common commercial feed additive | Usually selected for specific formulation needs |
Buyers should confirm the required product type, assay and specification before placing an order.
Our feed-grade DL-Methionine is suitable for:
Customers should provide the required assay, order quantity, destination market, packaging requirements and intended application when requesting a quotation.
No. It is supplied as an amino acid feed additive raw material for further feed formulation and manufacturing.
It is primarily used in poultry and swine feed formulations, including products for broilers, layers, breeders, piglets and growing pigs.
It is added to supplement dietary methionine, balance the amino acid profile and support growth performance and feed efficiency.
No. DL-Methionine contains both D- and L-forms, while L-Methionine contains only the L-form.
Yes. It is widely incorporated into amino acid premixes, compound feed, concentrates and specialized animal nutrition formulations.
Please provide the required assay or specification, order quantity, destination country, packaging requirements and intended feed application.
Contact B&H for feed-grade DL-Methionine specifications, samples, packaging options and pricing for your poultry or swine feed formulation.
Why Choose Us
Extensive Portfolio
A one-stop shop for a vast range of animal health products across multiple species.
Sino-Finnish Advantage
We blend efficient sourcing from China with an uncompromising commitment to European quality standards and business ethics.
Supply Chain Excellence
Strong manufacturing partnerships and logistical expertise ensure a consistent supply and on-time delivery to destinations worldwide.
Technical Expertise
Our team provides valuable technical support and market intelligence to help you make informed decisions.
Customer-Centric Approach
We build long-term, transparent relationships by understanding your unique needs and delivering flexible, customized solutions.
Request Sample Or Quotation Now
Contact Us For More Information About Products And Applications
Contact Us +
China Office:
Room 1105, E08-2, Suning Huigu, No 268, Jiqingmen Street, Gulou district , Nanjing, Jiangsu, China
Get The Latest News
