“Since portions of these CLA isomers could be converted to form Δ5-CLA metabolites (Δ5, c9, …−, Δ5, t10, c12−, Δ5, c9, c11− and Δ5, t9, t11-18:3), it is suggested that CLA suppressed the Δ5-desaturation of DGLA to AA through substrate competition between DGLA and CLA isomers. (”