No. The ingredient list of Sofa Cat Dried Pork does not contain trans fatty acids such as hydrogenated vegetable oil (or hydrogenated oil), refined vegetable oil (refined oil), margarine, or margarine, or phylloxera. The ingredients of Couch Cat Dried Pork are: lean pork hind leg, sugar, whole egg white, fish sauce, monosodium glutamate, allspice, food additives (sodium D-isoascorbate, compound moisture retention agent (sodium trisulphate, sodium pyrophosphate, sodium hexametaphosphate), glycerin, sodium lactate, red yeast red), and food flavorings.