What is it?Holland & Barrett High Strength Hyaluronic Acid tablets contain Vitamin C which contributes to collagen formation for the normal function of skin.Vitamin C For Normal Collagen Formation Suitable For Vegetarians and Vegans What Are the Benefits of This Supplement? Hyaluronic Acid is naturally found in skin and has a unique ability to retain water. Hyaluronic acid is located in the skin tissues, however, the body's ability to produce hyaluronic acid declines with age. Vitamin C contributes to normal collagen formation for the normal function of skin. Holland & Barrett International Limited, Barling Way, CV10 7RH, UKHolland & Barrett Limited, 45 Henry St, D01 E9X8, Ireland