Gatorade Thirst Quencher Fierce Fruit Punch Berry Sports Drink. With a legacy over 40 years in the making, it's the most scientifically researched and game-tested way to replace electrolytes lost in sweat. Gatorade G Series Perform Fierce Fruit Punch + Berry Sports Drink hydrates better than water which is why it's trusted by some of the world's best athletes.With a legacy over 40 years in the making, it's the most scientifically researched and game-tested way to replace electrolytes lost in sweat. Gatorade Fierce has a bold, intense flavor that hydrates better than water, which is why it's trusted by some of the world's best athletes.