UC-II® is a patented undenatured type II collagen derived from chicken sternum using a low-temperature process that preserves its native structure. Standardized and supported by clinical research, it promotes joint comfort, flexibility, and mobility at low doses. Non-GMO and allergen-free, UC-II® is ideal for use in capsules, tablets, and joint formulas requiring effective immune-mediated support for long-term cartilage and connective tissue health.