How to Avoid Grumpy Gut while Travelling? Travelling and Gut Issues – Overview Travelling gives people a much-needed break from their normal daily routine. However, travelling can also take a toll on a person’s gut and lead to irregular/uncomfortable bowel movements and digestive issues. The gut – the gastrointestinal tract (GI) or digestive tract – refers to the long tube comprising an organ system which includes the mouth, esophagus, stomach, intestines and anus. The function of the gut is to