ECUSA collagen powder is fortified with specific probiotics that help nourish and protect your skin. It was formulated with total skin health in mind to help restore your skin’s natural glow from the inside out. Our Collagen also contains moisture-inducing hyaluronic acid, biotin, vitamin c, and probiotics to help to enhance skin hydration, elasticity, and glow. Collagen also helps support muscle recovery and helps strengthen bones and joints.