The Athlete’s Gut and Performance
Gut problems in runners have myriad sources — from stress to heat, caffeine to sleep deprivation — and all of them can sabotage your performance.

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The gut is a profoundly important (yet often underappreciated) organ that needs to function well for athletes to optimize training, performance, and recovery.
Patrick Wilson, PhD, is one of the world’s foremost experts on the connections between exercise, nutrition, and the gut and is the author of the recently released book, The Athlete’s Gut: The Inside Science of Digestion, Nutrition, and Stomach Distress.
In this series of articles, Patrick will shed light on the inner workings of the gut, why certain athletes are prone to digestive issues, and how they can go about tackling these gut issues using nutrition, training and psychological strategies.
Five Common Gut-Provoking Mistakes Runners Make
Caffeine Can Kickstart Your Workout But Look Out for Its Effect on Your Gut
Jitters and Java: Your Genes May Affect Your Response to Caffeine
Over Half of Ultrarunners Get Nauseous During Races; Here’s Why
Beating Gut Troubles in the Heat
Sleep Does the Body (and the Gut) Good
Is Fat Adaptation a Path to Improved Performance & Fewer Gut Problems?
Sometimes Gut Problems Are in Your Head
Is the Gut Microbiota Key to Unlocking Your Athletic Success?