Nutritionist Siân Seccombe, a content creator passionate about the science behind food and performance, joins the discussion to unravel the world of caffeine. They delve into optimal caffeine dosages for runners, exploring how timing can enhance performance and its varying effects on individuals. Siân shares insights on the cultural dichotomy of coffee consumption, revealing how different countries approach this energizing beverage. Listeners will discover how caffeine can impact digestion, hormonal responses, and overall athletic potential!