Lou Shen Huais also known as Rosselle. The sour and cool herb has been used in TCM as hypotensive, diuretic, antibiotic and anticaners agent and to lessen blood viscosity, stimulate intestinal peristalsis, clearing infection, relieving thirst, arresting cough, etc., by enhancing the function of kidney channels. Ingredients 1. Hibiscus acid 2. Anthocyanins 3. Delphinidin-3- sambubioside …