All Dogswell products are made from premium, natural ingredients with one catch - unlike most food available for pets, Dogswell products come in a variety of functional formulas that are healthy for your dog. Here's to a long and active life! Happy Heart is made with pure chicken breast and added nutrients, such as taurine and turmeric, to help support and maintain a healthy heart. The chicken breasts from cage-free chickens are raised without added growth hormones or added steroids and provide amino acids for muscle development and maintaining muscle tone. Flaxseed is rich in Omega 3 and 6 fatty acids to help promote a shiny coat. Flax is a good source of magnesium, phosphorous and copper, and a very good source of dietary fiber, thiamin and manganese. It also contains vitamins including B group and E.Taurine is an amino acid that promotes good vision and a healthy heart.