IMO, I don't see a problem.  The only concern for me would be about the chemicals that make the propel packets up.

Melissa.

i dont recomend powder drinks or energy drinks they have sugar and it makes you sleepy  if you are tired of plain water just add some lemon  or cucumber and drink it up no calories at all and lemon helps to burn calories to   also black coffee with no sweetners  and  green tea helps burn  calories