Liquid I.V., a trendy electrolyte drink claiming to rehydrate you "2 times faster than plain ... but is it actually a good ...

Good to know: Some drinks in our tests contain ... You might also want to sip an electrolyte drink if you have diarrhea or ...

and they contain electrolytes and sugar. For the average gym-goer, drinking them can do more harm than good. In fact, the average sports drink contains at least 250 calories per bottle ...