Jenn Giles

Jenn Giles, a seasoned sports dietitian and adjunct professor at Columbia University, breaks down the world of supplements for runners. She clarifies how to safely choose supplements, emphasizing the importance of third-party testing. The conversation dives deep into the benefits and risks of caffeine, creatine, and electrolytes, alongside insights on gut health and the role of probiotics. Jenn also discusses the emerging popularity of ketones and their potential for enhancing endurance, encouraging athletes to prioritize informed choices in their supplement use.