UC-II® Undenatured Collagen Joint Comfort Cartilage is the connective tissue that covers the ends of your bones to form a smooth, shock-absorbing surface for your joints. Years of stress from our own immune system can wear away cartilage and limit joint flexibility. UC-II® collagen with undenatured type II collagen, when taken orally, helps support a healthy inflammatory response, immune function, and increased joint flexibility and mobility.UC-II® is a patented and registered trademark of InterHealth N.I.* 40 mg Capsule Option Available: 30, 60, 120 Suggested Use: 1 capsule daily on an empty stomach, preferably before bed. Allergies: Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.