This histamine blend #2 may help to lesson symptoms from lung allergies. The FDA has not approved of these staements and you are taking this food supplement at your own risk. This blend may also help the liver with nutritional support. Contains only herbs and no fillers. The energy provided by this blend may help you to breathe more freely. 83*HIST HERB AMINE#1,(skin) allergies: cayenne pepper, dandelion root, ginger rot, lobelia leaf and 1 more.