Canadian Brand. Gutsy Heart Healthy Bites are designed to support your dog's cardiovascular health and overall vitality. Formulated with key heart-health ingredients like Taurine, L-Carnitine, Hawthorn Berry, and Tart Cherry, these bites help keep your dog's heart strong and thriving. Combined with a proprietary prebiotic blend, they also nourish your dog's gur - because a healthy gut supports a healthy heart and a healthy life.