Anco Selects treats combine the benefits of collagen from naturally shed deer antlers with high-quality beef protein to support optimal health in dogs. Beef is a nutrient-dense protein, packed with essential amino acids that promote muscle strength and repair. It also provides natural sources of iron, zinc and B vitamins, which support immune function, cellular health and energy production. Collagen promotes joint flexibility, skin elasticity, a shiny coat and digestive wellness, enhancing mobility, gut health and overall vitality. Together, these ingredients improve joint, skin, digestive and immune health.