Being a runner has many wonderful side effects but one of them is NOT runner’s trots or runner’s stomach — diarrhea that endurance runners experience when going the distance. In fact, GI distress and running almost go hand in hand. I mean, it’s no coincidence that “runs” is a double entendre. “My long runs give me long runs…” You get the picture. But new science into runner’s nutrition has unlocked a new fueling strategy for runners: gut…