· For the Bestie That Has Your Heart! - Zesty Paws Senior Advanced Cardio Bites are soft chews uniquely made with beneficial ingredients that support cardiovascular function for senior dogs.· Premium Sea Buckthorn - Each chewable includes SeabuPure, premium form of Sea Buckthorn that supports circulation and cardiovascular function, while also providing antioxidant protection.· Featuring AlaskOmega Fish Oil - This supplement includes this premium, sustainably sourced fish oil to provide Omega-3 fatty acids (EPA and DHA) that support canine cardiovascular health.· Supports the Heart in More Ways than One! - The Taurine and L-Carnitine for Dogs in each chew work together to support normal circulatory function, heartbeat, and cardiac muscle function for older dogs.· Beneficial Ingredients in Every Bite - Includes Pumpkin Seed Powder, CoQ10, Hawthorne Powder, L-Arginine, Folic Acid, and Vitamin E for additional heart, immune, and antioxidant support for pets.