“…Diet, or more precisely, the chemicals in the diet have been shown to act as ligands for transcription factor receptors, to serve as signaling molecules, and to be metabolized by primary or secondary metabolic pathways thereby altering concentrations of substrates or intermediates. 1 Kaput and coauthor, R. L. Rodriguez (director of the Center of Excellence for Nutritional Genomics at the University of California, Davis), 2 summarize the new science of nutrigenomics as follows:…”