Anco Selects treats combine the benefits of collagen from naturally shed deer antlers with high-quality duck protein to support optimal health in dogs. Duck is a nutrient-rich protein, providing essential amino acids that promote muscle maintenance and repair. It also delivers natural sources of iron and selenium, which support immune function, cellular health and energy levels. Collagen promotes joint flexibility, skin elasticity, a glossy coat and digestive wellness, enhancing mobility, gut health and overall vitality. Together, these ingredients help improve joint, skin, digestive and immune health.