Here’s the simplest rule of thumb: your urine color. If it’s pale yellow or clear, you’re hydrated. If it’s dark, you need more fluids. Coffee won’t magically turn your pee dark unless you add a ton of sugar or you’re drinking it instead of other fluids all day.
In other words, don’t stress. If you enjoy three cups of coffee a day, you are not dehydrating yourself. You are just consuming your daily water intake in a more exciting, aromatic way. It’s like getting your vegetables in the form of a pizza—technically not the same, but the spirit is there.
So, go ahead, pour yourself another cup. Raise it in a toast to science, to hydration, and to the beautiful fact that your morning ritual is doing more good than you thought. Cheers to caffeinated hydration—now, isn’t that a cool thought?