Originally Posted by
Cyclesafe
Sustained elevated blood glucose is toxic to those cells in the pancreas that make insulin, the loss of which - wait for it....- further increase sustained blood glucose levels. Do yourself a giant favor and stop eating junk food now, whether you are touring or not. It is as stupid as smoking.
+1. So many people think if they burn the calories off rather than gain weight it doesn't matter. Not true. Your body wants more good nutrition under the load of touring. Empty sugar calories do little other than a temporary energy boost and as you say, the demand for insulin to get the blood sugar level down.