Does tea act like a diuretic?

A clinical study from the British Tea Advisory Panel (TAP) has proved that a cup of tea can be just as good as a glass of water at keeping your body hydrated. read more

Herbal drinks tend to have low or no caffeine, but tea, like Black teas, oolong, green tea all have caffeine. Caffeine acts as a diuretic. If you drink enough of tea or coffee, though while you are drinking fluids you are drinking what will cause your body to lose water. read more

By strict definition, a diuretic is any medicine causing increased urination. More practically, a diuretic is a medicine causing the kidney to secrete excess fluid by blocking the re-absorption of either water itself or electrolytes like sodium (primarily), potassium, chloride and bicarbonate (sodium bicarbonate). read more

Diuretic Effects. The caffeine contained within green tea extract increases the amount of urine your body expels, MedlinePlus reports. This works as a diuretic in your body, similar to the way medications work. Because caffeine makes you produce more urine, you have less water in your body, especially in your bloodstream. read more