Petco WholeHearted Class Action, Did Your Dog Eat Grain-Free Food Linked to Heart Disease?
A New York dog owner filed a class action lawsuit against Petco on March 16, 2026, claiming the company’s WholeHearted grain-free dog food causes a deadly heart condition called dilated cardiomyopathy (DCM). The lawsuit alleges Petco falsely markets the food as “Complete Nutrition” while knowing legume-heavy formulas carry serious cardiac risks. No settlement exists yet….
