Sports drinks—which replenish sodium and potassium (aka electrolytes) lost through sweat—are a clutch choice when your workout exceeds an hour and you’re leaking buckets, according to Jennifer Agustines, R.D., of Tampa, FL. Otherwise, skip the extra calories and stick with water.

As for taste, M&F staffers sampled and rated five of them from 1 (gross) to 5 (delicious). Here’s what they said.