Who are we?
With impressive credentials and decades of experience, the physicians at the Riordan Clinic provide the very best in care and expertise. Each of our nutrients are chosen by our expert medical staff based on quality, purity, consistency and effective dosing. Our nutrient store specialists are available to answer questions and process orders Monday through Thursday from 8:00 am - 5:00 pm and Fridays 9:00 am - 3:00 pm. Thank you for visiting the Riordan Clinic Supplement Store online, we look forward to serving you!