Disclosed herein are pet food compositions. In one embodiment, pet food compositions which are described comprise a component selected from 2-deoxy-D-glucose; 5-thio-D-glucose; 3-O-methylglucose; 1,5-anhydro-D-glucitol; 2,5-anhydro-D-mannitol; mannoheptulose; and mixtures thereof. In yet another embodiment, pet food compositions which are described comprise an extract of plant matter selected from avocado, alfalfa, fig, primrose, and mixtures thereof. The pet food compositions may be prepared by any of a variety of processes including, but not limited to, optional processes described herein.