Outside's long reads email newsletter features our strongest writing, most ambitious reporting, and award-winning storytelling about the outdoors. Sign up today.
A sports drink formulated in 1965 for the University of Florida Gators football team and currently produced by PepsiCo. Scientists at the University of Florida determined that a beverage with electrolytes like sodium and potassium would optimally hydrate athletes during long bouts of exercise; they added sugars to replace calories. Gatorade’s popularity took off, forever changing the way we think about exercise hydration—and tripling the size of convenience-store beverage cases. More recent sports-drink brands have targeted endurance athletes with low-carb alternatives.