Natural Factors Echinamide Zinc Lozenges - Honey Blossom - Contain a unique complex of zinc, vitamin C, organic echinacea, and black elderberry to help support the immune system and help relieve cold and flu symptoms, such as sore throat. Zinc lozenges provide quick sublingual absorption of these nutrients that are well-tolerated by the body, making them a convenient format for anyone who has been set back with a cold or flu, or is seeking antioxidant support.