Performing Zone 2 cardio for 30-60 minutes, three to four times per week, leads to stable blood sugar levels.

“But periods of zone two cardio that lasts anywhere from 30 minutes to an hour or sometimes more for your endurance athletes, can create positive effects on blood sugar regulation, such that you people can sit down and enjoy whatever it is, the hot fudge sundae, or whatever the high sugar content food is. And blood glucose management is so good. Your insulin sensitivity is so high, which is a good thing, that you can manage that blood glucose to the point where it doesn't really make you shaky, it doesn't disrupt you.”