UC-II Collagen 10 mg 60 Caps by Swanson Ultra
Keep your joints working comfortably with the patented nutrition of UC-II Undenatured Type II Collagen. Awarded four U.S. patents for use in promoting joint health, UC-II is the only type II collagen supplement that's undenatured, retaining its original molecular structure. It's the only collagen product approved for research by Dr. David Trentham, the Harvard rheumatology professor who led clinical studies on the effectiveness of type II collagen.