Blackberry leaf for its antibacterial/antioxidat properties serving as a wonderful base. Its tannins are useful for sore throat, gastric distress, diarrhea, and its flavanoids are immune boosting and anti inflammatory. Elderberry for its ability to help the body fight off, and prevent infections with cold/flu viruses. Hibiscus flower for its high vitamine C content while also giving antinflammatory and antioxidant properties. Orange peel for a delightful citrus flavor while instilling more flavanoids in the tea for the immune system.