In this episode, Dr. Cathy Cutler of Brookhaven National Lab joins host Dr. Mike Nickels to explore one of the most pressing questions in nuclear medicine today: can theranostics scale? From supply chain challenges for key isotopes like Lu-177, Ac-225, and Cu-67 to infrastructure gaps, regulatory hurdles, and international collaboration, this wide-ranging conversation highlights both the urgency and opportunity in building a robust isotope supply for the future of targeted radiopharmaceutical therapy.