Kool-Aid is one of those things adults feel silly about enjoying, as if they should have grown out of it. But this flavor ...

These days, the drink aisle is all about function. Electrolytes, natural caffeine, added protein—you name it. But no matter how "optimized" beverages get, there's one thing consumers can't seem to ...

Add Yahoo as a preferred source to see more of our stories on Google. different Kool Aid flavors on groery shelves - Billy F Blume Jr/Shutterstock Kool-Aid may have began as an actual drink sold by ...