Ekifast Description: Ekifast, with its synergy of Willow, Cinchona, and Centaurea, is useful for regulating sweating, which is important during fevers and flu. The three species of Echinacea, which are beneficial for the upper respiratory tract, support the bodys natural defenses, along with Astragalus, Tabebuia, and Uncaria. Eucalyptus extract provides a balsamic effect that improves voice tone and has an emollient and soothing effect on the oropharyngeal mucosa