#74 Ketones, Fasting, and Flexibility: The Science of Optimizing Your Energy Systems for Endurance and Longevity with Dr Brianna Stubbs

In this episode of Ageless Athlete, we dive into the metabolic engine room with Dr. Brianna Stubbs—world-class endurance athlete and leading researcher at the Buck Institute for Research on Aging. Brianna bridges the worlds of elite performance and cutting-edge science, specializing in how ketones, fasting, and metabolic flexibility can shape our ability to recover, sustain energy, and age well. This isn’t about dieting fads or silver bullets—it’s about understanding how your body fuels itsel...