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Meet Your New Workout Buddy: Caffeine

Recently, we noticed a growing trend in Hollywood. We've spotted loads of celebs like Mila Kunis, Nicole Richie, and Molly Sims leaving the gym with what appears to be a cup of coffee in their hand.

By Korin Miller

We get the whole idea of sipping on some java before you work out-studies have shown it can help you exercise harder and longer than usual. But won't it dehydrate you after a sweat fest?

Nope, says Cosmo Radio health expert Jennifer Wider, M.D. Yes, coffee is a diuretic that can lead to dehydration, she says, but it doesn't dry out the average person unless you drink a ton of it.

Related: 7 Surprising Workout Mistakes You're Making

Not only that, having a post-workout brew can actually be good for you. Studies have found that caffeine can decrease muscle pain after you work out. Dr. Wider says the theory is that caffeine blocks a biochemical that plays a role in the pain cycle, so you don't feel achy or sore after a tough gym session.

Another recent study published in the American Psychological Society found that post-exercise caffeine can also help your muscles refuel if you pair it with a carb, like a banana.

Related: Drop 5 Pounds in One Week

Our recommendation: Stick with one cup of coffee after the gym since too much caffeine can make your heart race and leave you feeling jittery.

Do you drink coffee after you work out?

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