UC-II® & Vitamin C Capsules A convenient supplement providing undenatured type 2 collagen & vitamin C to contribute to normal collagen formation* & normal function of bones & cartilage**. Collagen is the most abundant protein in the human body, found in bones, skin, joints, gums, blood vessels, teeth & cartilage. Type 2 collagen is commonly found in joints. Our UC-II® & Vitamin C Capsules are an easy way to add supplemental collagen into your diet. Each of our UC-II® & Vitamin C capsules