Electrolytes Defence™️ with Elderberry & Echinacea contains essential vitamins and minerals that keep you optimally hydrated and provide powerful immunity support – all with 0 g of sugar. This blend is a source of vitamin C and zinc which provide immunity and protection. Electrolytes Defence is formulated with Echinacea extract and Elderberry extract. Echinacea extract has been used for centuries to help fight off infections, especially those of the upper respiratory tract. Elderberry extract has been used to help relieve symptoms of cold and flu.