Sootherbs Zinc, Echinacea & Vitamin C lozenges provide effective immune system support throughout the year. Other all-natural ingredients help soothe your throat when you need it most. Sootherbs Chest, Sinus & Throat are dissolve-in-mouth tabs formulated especially to provide soothing benefits during the cold and flu season, as well as to help support the immune system all year long! Increasing your dietary intake of zinc and vitamin C helps support your immune system, while our unique Sootherbs proprietary herbal blend helps soothe your throat and supports clear breathing. Sootherbs also includes slippery elm, wild cherry bark extract, menthol and zinc to provide greater benefits than zinc alone. Plus, peppermint oil helps soothe the stomach and provides fast-acting benefits for the nasal passages.