Pu 'erh tea, also known as dark or black tea, is a fermented tea in powder form. It has been an integral part of traditional Chinese herbalism for centuries, with multiple health benefits.

It is widely used for detoxifying the body (from toxins and fat) and improving the immune system and blood circulation. Additionally, it can enhance digestion, stomach function, and spleen function and is recommended for consumption after a heavy meal, while modern scientific studies highlight its effectiveness in reducing cholesterol.