However, tea and coffee are listed in the low potassium group, containing 1.57±0.04 mmol (61.44 ± 1.38mg) of potassium per cup, while tea contains less than 2 mmol (78mg) per cup.
Does tea deplete potassium?
Severe hypokalemia from excessive tea or caffeine consumption is rare. A literature review yielded two case reports of severe hypokalemia from excessive drinking of green tea extract,1 and hypokalemia associated with herbal tea consumption.
What tea lowers potassium?
When both patients heeded advice to reduce their consumption of green tea, their serum potassium levels normalised without any other intervention.