Answer:

gatorade

AnswerCrossword Clue
GATORADESidelines brand
GATORADEDrink named for a football team
GATORADEIt's sometimes dumped on winning coaches
GATORADECompany with the slogan "Is it in you?"
GATORADEWinning football coach's surprise
GATORADEInvention of University of Florida professor Robert Cade
GATORADEDrink with a lightning bolt logo
GATORADEProduct pitched by Michael Jordan
GATORADE"Is it in you?" sloganeer
GATORADEAthlete's thirst quencher
GATORADEAthlete's quaff
GATORADEBeverage developed at the University of Florida in 1965
GATORADEBath for a winning coach
GATORADEBeverage with a lightning bolt in its logo