Part of Elinor’s skepticism about such products comes from the fact that they have a substantial amount of sugar. For example, according to the nutrition facts for Emergen-C, one 9.1-gram packet has 6 ...

O nce upon a time, the “best electrolyte drink” could only be one of a few things: Gatorade, Powerade, or sometimes Pedialyte. But in recent years the category has exploded: I ...