Caffeine is a natural stimulant that helps you stay alert. A single brewed cup provides approximately 95 mg of caffeine ( 3 ). While caffeine is a great energy booster, it may also stimulate the urge to poop. Several studies have shown that it can activate contractions in your colon and intestinal muscles ( 4 , 5 ).
Some people say caffeine is a diuretic that makes you go to the bathroom too much and become hydrated. Others say the water in coffee and tea can even help to hydrate you, not dehydrate you. But if you have six cups of coffee in one morning, obviously you are getting so much fluid that you are going to have to go to the bathroom more.
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Frequently Asked Questions
Why does drinking caffeine in the morning make you poop?
Frankly, it is quite simple: drinking caffeine stimulates contractions in your gut, which switch on the urge to visit the bathroom as feces move to the rectum. Through some embarrassing experiments that involved participants drinking coffee, hot water, and decaf coffee.