Why is coffee a diuretic? Understanding the science behind its effects
•
5 min read
A 2014 study involving men who were regular coffee drinkers found that consuming four 200ml cups daily resulted in the same hydration levels as drinking the same amount of water. So, why is coffee a diuretic? The answer lies in the complex effects of its primary active ingredient, caffeine, which has mild diuretic properties that are often balanced out by other factors.