FMI suggests the L-carnitine feed additive market was valued at USD 812.0 million in 2025, increased to USD 870.0 million in 2026, and is projected to reach USD 2,345.0 million by 2036, reflecting a 10.4% CAGR during 2026 to 2036. By segment, poultry feed leads the animal type category with a 38% share in 2026, while powdered carnitine dominates the formulation type segment with a 61% share in 2026.