my husband is just beginning an exercise regimen, and is on the pump. He's done this before, and struggles with the same issue...dropping during exercise, and then compensating with sugar. defeats the purpose it seems, right?! he is adjusting, by suspending the pump before exercise and then eats about 20 when/if he's low afterword. standard banana. we understand the special struggle this weight loss will be for him. I'm eager to hear others' input.