Esberitox® (Supercharged echinacea) More Powerful Than Echinacea Alone: Contains two types of echinacea plus a dynamic blend of immune enhancing herbs to boost your natural defenses. Esberitox® has been the top-selling remedy in Europe for over 70 years, and is clinically tested. It doesn't interfere with commonly prescribed medications, and can be used by your entire family. Wild indigo (Baptisia tinctoria) Root 30 mg * Echinacea purpurea and pallida 1:1 Root (Coneflower root) 22.5 mg * Thuja (Thuja occidentalis) Leaf 6 mg * (White cedar leaf) Serving Size: 3 Chewable Tablets