Polyunsaturated fat located in yes oils may just work together with anticoagulants like warfarin

http://zioncxvp179.cavandoragh.org/enhancing-drug-absorption-dietary-do-s-and-don-ts-for-optimal-health-3

Polyunsaturated fats discovered in detailed oils can even interact with anticoagulants like warfarin, affecting blood thinning properties