Led by Dr. Byron Fergerson, Clinical Professor and Vice Chair of Anesthesiology at UC San Diego Health, this study evaluated a flavanol-based supplement aimed at supporting recovery and overall health in patients 50 years or older preparing for hip or knee replacement surgery. Participants completed two in-home blood draws, took one 500 mg capsule daily for 14 days, logged their intake, and answered questionnaires. Study findings and latest publications may be found under the Outcomes section of this website.