Excessive consumption of matcha green tea may lead to jaundice and liver failure, Life reports.

It is noted that overconsumption of this popular drink can put heavy strain on the liver and cause a buildup of toxins that trigger jaundice, especially if the instant matcha powder is of low quality.

The drink also contains large amounts of catechins, which can irritate the stomach lining, as well as tannins and polyphenols that reduce iron absorption by 60–90 percent and may cause anemia with frequent matcha consumption.

“A 22-year-old matcha enthusiast from Moscow drank about five cups a day for a long time. At some point, her skin began to develop a noticeable yellow tint. She became frightened and went to get examined,” the publication says.

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