It will be different according to how each of them is easily warmed up when using thermal energy.
Water heats at 100 celsius and all the other solutions have slightly different boiling points
The average sedentary male will achieve a VO2 max of approximately 35 to 40 mL/Kg/min. And the average sedentary female will score a VO2 max of between 27 an 30 mL/Kg/min.
A pseudoscientific theory
I believe it would be a compound