What is it?Holland & Barrett are bringing you the best innovative ingredients, UCII® is a superior clinically studied form of undenatured Type II Collagen which is rich in amino acids. We have combined UCII® with Vitamin C which contributes to collagen formation for the normal function of cartilage.UCII ® clinically studied form of undenatured Type II Collagen Contributes towards normal collagen formation Supports joint health