Gastrointestional issues are very common among endurance athletes. Complaints are usually dividing into two categories - upper GI and lower GI. Most athletes are familiar with lower GI issues - gas, loose stool, urge to defecate, diarrhea, abdominal cramping. I've written several articles on the topic of GI issues but most of the gastrointestinal issues I discuss involve the lower GI tract. In working with hundreds of endurance athletes on race day nutrition, the common culprits of lower GI issues include dehydration and concentrated or poorly applied sport nutrition consumption. I find this area fairly straightforward when it comes to prescribing well-formulated sport nutrition products to minimize or alleviate lower GI issues on race day. When it comes to upper GI issues in endurance athletes, like belching, vomiting, reflux/heartburn, trouble swallowing and bloating, this area has been more challenging to fix. What makes it so difficult is that most of the athletes ...
3x Author, Board Certified Sports Dietitian, Master of Science in Exercise Physiology, 2017 IM CHOO Amateur Female Champion, 19xIronman finisher including 6xIM World Championship finisher, Triathlon Coach, 30-year Vegetarian.Trimarnicoach.com