LOWFederal Register

L-Lysine From the People's Republic of China: Final Affirmative Countervailing Duty Determination

Published Jul 23, 2026Source: Federal RegisterView original

Summary

This is a countervailing duty determination on L-lysine imports from China, which is a bulk amino acid used primarily in animal feed and food/nutrition applications, not a research peptide. While L-lysine is a proteinogenic amino acid and a building block for peptide synthesis, this trade action affects commodity-grade feed/food lysine pricing rather than the peptide research supply chain directly.

AI Analysis

Key Changes

•Commerce issued a final affirmative countervailing duty determination on L-lysine from China
•Countervailable subsidies confirmed for Chinese producers/exporters of L-lysine
•Period of investigation covers January 1, 2024 through December 31, 2024
•Likely results in additional import duties on Chinese-origin L-lysine, potentially raising costs

Affected Compound

L-Lysine

Action Required

Vendors sourcing bulk amino acid raw materials (including L-lysine or lysine-derived precursors) from China should anticipate possible price increases and consider evaluating alternative suppliers; most peptide research suppliers are unlikely to be materially affected.

Effective Date

Jul 23, 2026

Full Document Text

The U.S. Department of Commerce (Commerce) determines that countervailable subsidies are being provided to producers and exporters of L-lysine (lysine) from the People's Republic of China (China). The period of investigation (POI) is January 1, 2024, through December 31, 2024.

Alert created: Jul 23, 2026, 12:30 PM