The idea caffeinated coffee & tea dehydrate you is misunderstood. It’s true that caffeine can be a weak diuretic – (stimulates urination) – but the loss is negated by the water in the drink itself. You’re ingesting more fluids than urinating when drinking a cup of caffeinated coffee or tea.
No, Coffee and Tea Aren’t Actually Dehydrating. Here’s Why
When you want to quench your thirst, you probably don’t reach for a steaming cup of coffee or tea. But despite what you’ve heard, coffee and caffeinated tea are not dehydrating, experts say.
It’s true that caffeine is a mild diuretic, which means that it causes your kidneys to flush extra sodium and water from the body through urine. If you’re peeing frequently, and thus losing lots of liquid, it’s logical to think you could become dehydrated — but it actually doesn’t work that way, explains Dr. Daniel Vigil, an associate clinical professor of family medicine at the David Geffen School of Medicine at the University of California Los Angeles.
“When you drink a cup of coffee or you drink a glass of iced tea, you are necessarily taking… Continue Reading (2 minute read)