The article describes the research findings of 524 cases of DCM reported to the FDA over a roughly 5-year period, in which one of the commonly shared characteristics was the feeding of a grain-free diet. More specifically, the two factors being more closely reviewed are the presence of legumes as an ingredient (peas, lentils, etc.) and sufficient levels of the amino acid taurine or its precursors. The release of this information and the listing of specific brands of food has prompted the question, “Is the pet food I buy harming my pet?”