Q:

Is decaffeinated coffee a diuretic?

A:

Quick Answer

Decaffeinated coffee is not a diuretic. It is about equal to water in how much it makes a person urinate. Caffeine is the part of coffee that acts as a diuretic.

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Is decaffeinated coffee a diuretic?
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Full Answer

Caffeine is not a strong diuretic; it takes more than 1 cup for it to have an effect on the body. Studies show it takes as much as 360 milligrams of caffeine to act as a diuretic. A typical 8-ounce cup of coffee has 95 to 200 milligrams of caffeine, depending on the brew. This means that it takes at least 2 cups for it to act as a diuretic. Typically, the diuretic effect is mild.

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