Hill's PRESCRIPTION DIET
y/d Cat Food
Hill's Prescription Diet y/d dry food is an easy and convenient way to manage a cat's overactive thyroid. Prescription Diet y/d is the only clinically proven nutrition to decrease T4 hormone production in 3 weeks when fed as the sole source of nutrition. Supports kidney and heart health and has shown visible improvements in skin & coat of hyperthyroid cats. Cats with hyperthyroidism are prone to lose muscle mass and Prescription Diet y/d helps maintain lean muscle mass with high quality protein and high levels of L-Carnitine.