Isatis leaves (Da Qing Ye) Nature: Cold Taste(s): Bitter Meridians: Stomach, Heart, Lung Category: Herbs that clear Heat and relieve Toxicity
Phellodendron bark (Huang Bo) Nature: Cold Taste(s): Bitter Meridians: Bladder, Kidney, Large intestine Category: Herbs that clear Heat and dry Dampness
Natural indigo (Qing Dai) Nature: Cold Taste(s): Salty Meridians: Stomach, Liver, Lung Category: Herbs that clear Heat and relieve Toxicity