U.S. imports of Methionine (HS 293040) totaled $9.7M in August 2026, imported from 8 countries.
Importers of Methionine paid $1.1M in duties in August 2026, an average duty rate of 11.28% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule.
Last updated: August 2026 dataMethionine is an essential sulfur-containing amino acid classified entirely at 2930400000, used at commercial scale as a feed additive in poultry and swine nutrition to optimize protein utilization and reduce feed costs. DL-methionine (the synthetic racemic form) dominates global trade, with production concentrated in a small number of large chemical manufacturers; the hydroxy analog of methionine is separately classified under heading 2930 at a different 10-digit line. Imports of methionine as a feed additive are subject to FDA review under the Federal Food, Drug, and Cosmetic Act, and the product must conform to applicable feed-grade specifications. Importers should verify that the supplier holds the appropriate FDA facility registration.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
59 import shipments a month
Methionine (2930400000) covers the free amino acid in its DL or L form. The DL-hydroxy analog (2-hydroxy-4-methylthiobutanoic acid), which is a liquid feed supplement marketed as an alternative to DL-methionine, is classified at a separate 10-digit line under heading 2930 (2930904600). They are chemically distinct and are not interchangeable for classification purposes, even though both serve as methionine sources in animal nutrition.
Yes. Methionine used in animal feed is regulated by FDA's Center for Veterinary Medicine as a feed ingredient. Imported feed-grade methionine must come from an FDA-registered foreign supplier, and the importer may be subject to Foreign Supplier Verification Program (FSVP) requirements under FSMA. Consulting a licensed customs broker or regulatory specialist familiar with feed-ingredient imports is advisable.
Subheading 2 of 8 in heading 2930
Subheading 293040 · $9.7M of $86.4M
Trade Directory
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Imports
Imports
$9.7MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $96.9M of Methionine.
Through August 2026. Source: U.S. Census Bureau.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Imports for consumption | Average duty rate | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 2930400000 | Methionine | $9.7M | 11.28% | 97.13% | $1.1M |
Imports · August 2026
origin
Belgium and Singapore together supply 89% of it. China pays 32.7% duty; Japan 0.0%.
customs district
destination
entry
rate provision · imports
2.9% enters free of duty; duty collected equals 11.28% of imports for consumption.