GI issues are very common among athletes - specifically endurance athletes in the sports of running, cycling and triathlon. Don't let the happy post-workout smiles on social media fool you for a good number of athletes experience unwelcomed intestinal problems during exercise. The most common (and annoying) GI complaints include: Belching Nausea Heartburn Gas Abdominal cramping Loose stools Abdominal pain Diarrhea Vomiting Side stiches There are several common reasons for GI issues such as dehydration (thus why athletes complain of many more GI issues in the summer months versus winter), high fiber/fat foods and using NSAIDs such as ibuprofen. Although runners more frequently experience GI issues compared to other athletes, in my latest Triathlete magazine article (July 2018, pg. 62), I discussed some of the reasons why swimmers/triathletes may get gassy after swimming and how to minimize this unpleasant post-swim issue. ...
3x Author, Board Certified Sports Dietitian, Master of Science in Exercise Physiology, 22 x Ironman finisher, 3x XTRI finisher, 6xIM World Championship finisher, Triathlon Coach, 32-year Vegetarian. Trimarnicoach.com