Profiles of plasma glucose (A), lactate (B), ketones (C), cortisol (D), GH (E), glucagon (F), adrenaline (G), noradrenaline (H), and dopamine (I) from 60 min prior to exercise commencement to 120 min following exercise completion, comparing HIIE and MIE exercise stages. Exercise period represented by shaded box. Values are median and IQR. *Statistically significant results.