Methionine Suppliers

Find methionine suppliers for your specification, preferred origin and buying volume.

Methionine suppliers include raw-material producers making the amino acid from chemical synthesis, and blenders or repackagers that supply feed-grade or food-grade forms. Choose the route that fits your order: a direct manufacturing lot with full traceability, or a stocked, repacked product for faster delivery.

Specify feed-grade or food-grade methionine, product form, purity, quantity and delivery country. We can help you through OpenCommo’s network of 70,000+ suppliers across commodities.

Where our suppliers are located

Explore sourcing locations across our methionine supplier network. Choose your preferred country below to find suppliers for your specification and shipment size.

Explore methionine suppliers

Find suppliers for your required product form, grade and shipment size. Choose an origin to start your request.

SupplierCountryContact details
KEMI*****India
Email availablePhone available
石家庄海*****China
Email availablePhone available
Phar*****United States of America
Email availablePhone available

What to look for when sourcing methionine

Product specification

Methionine is available in several physical forms and purity grades that suit different applications. Start with the intended use and the form that matches your handling and mixing equipment.

Grade & form

Specify feed-grade or food-grade, and choose among powder, granule, or liquid forms. Feed and food applications require different quality and safety criteria.

Active content

Agree the methionine assay or active substance content expected for your application. The label claim must match the analytical result at your receiving point.

Physical properties

Confirm particle size, bulk density, flowability and any anti-caking treatment. These properties affect mixing uniformity and handling in your production process.

Quality acceptance

The quality of methionine is verified by laboratory analysis, not visual inspection alone. Agree which parameters will be tested and the sampling procedure, and how the results relate to the shipment you receive.

  • Analytical testing

    Set the parameters to be tested, such as assay, moisture, ash and heavy metals. Specify the test method and the acceptable range for your application.

  • Sampling plan

    Define the sampling procedure for the shipment, including the number of samples and how they are taken. Agree which laboratory performs the analysis.

  • Release & claims

    Identify the basis for lot release: manufacturer's certificate, your own testing or an independent laboratory. Retain the approved sample and agree claim timeframes.

Origin requirements

Methionine is produced globally by a limited number of chemical manufacturers, with supply chains extending through distributors and repackagers. Clarify the origin of the material and the traceability you can expect.

Manufacturer

Identify the original producer of the methionine and confirm whether you are buying directly or through a trader. Ask for the production site and lot identity.

Supply route

Establish whether the material comes from current production, regional warehouse stock or a repackaging operation. This affects lead time and lot consistency.

Traceability

Request documentation linking the offered lot to the manufacturing batch, including production date and any applicable lot-coding requirements.

Commercial terms

Methionine is typically quoted per kilogram or per metric ton on an ex-works, FOB, CIF or delivered basis. Compare offers on the same unit and delivery terms.

Pricing unit
Confirm whether the price is per kilogram of product as supplied or per kilogram of active ingredient. Align the basis before comparing quotes.
Delivery basis
Clarify whether the price includes packaging, palletization and freight to your named location. Clarify who bears the cost of insurance and any destination charges.
Order terms
Match the quantity, delivery period and payment terms. Confirm the minimum order quantity and whether this applies per lot or per delivery.

Documentation & compliance

Check documentation before committing to shipment. The evidence needs to cover the specific lot you are buying, not just the supplier’s business status.

Shipment documents
Align lot references, quantities and entities across the invoice, packing list and transport document. Check that the manufacturer's name and product identity appear on the paperwork.
Analytical certificate
Request a certificate of analysis for the offered lot. Confirm the test results match your specification and that the laboratory is identified.
Destination rules
Determine which labeling, documentation or import requirements apply to methionine in your destination country. Ask for any certificates needed for the specific end-use.

Supplier capability

A manufacturer, trader and repackager each handle different aspects of the purchase. Establish who is accountable for the quality of the lot you receive.

  • Production

    Identify whether the supplier manufactures, blends or only resells the methionine. Establish who holds the manufacturing authorization and quality data.

  • Handling & storage

    Ask how the product is stored, packaged and handled after production. Confirm the shelf life and recommended storage conditions.

  • Order fit

    Confirm the supplier can meet your required volumes and delivery schedule. Ask about sample availability and lead times for new or repeat orders.

Methionine Supplier Questions

How do I find methionine suppliers in my preferred origin?
Share the grade, form, quantity and delivery country to identify manufacturers and traders. OpenCommo helps automate your sourcing through its supplier network.
Should I buy methionine from a manufacturer, trader or repackager?
A manufacturer offers direct lot traceability and full analytical data, a trader may hold stock in multiple regions, and a repackager can provide smaller quantities or specific bag sizes. Choose the supplier whose services and lot control fit your purchase.
What should I include in a methionine quotation request?
Specify feed-grade or food-grade, powder or granule, target assay, quantity, packaging and delivery location. Include your required analytical parameters and any destination-specific documentation.
How do I compare wholesale methionine offers?
Compare offers on the same product form, assay, packaging and delivery basis. Align the unit of pricing per kilogram or ton before comparing.
How should I assess a methionine sample?
Have the sample tested for assay, moisture and other agreed parameters at a recognized laboratory. Compare the results to your specification and retain the sample for reference.
How can I check a methionine supplier before signing a contract?
Check the company identity, manufacturing or repackaging capability and trade references. Put the full specification, quantity, delivery terms, payment terms and the quality-claim process in the contract.