NAD has become one of the most talked-about molecules in longevity medicine—showing up in supplements, IV clinics, lab testing, and bold claims about aging and healthspan. But what does the science actually show? In this episode of The Trip Lab, we take a clear, evidence-based look at NAD and use it as a lens to explore the broader field of longevity medicine. We break down what NAD does in the human body, why it’s linked to the hallmarks of aging, and why declining NAD is often a signal of c...