The HAPPYTAILS ADVANTAGE SUPERFOODS THAT DELIVER KEY HEALTH BENEFITS FOR YOUR DOG: Wag-A-Licious Beef, Jazzy Jerky Treats for dogs are SCIENTIFICALLY FORMULATED FOR YOUR DOG’S OPTIMAL WELLNESS with Prebiotics to support gut and immune health, Omega 3 & 6 fatty acids to promote healthy skin and a shiny coat, and premium USA-sourced beef essential for maintaining healthy muscles and overall wellness.