Restful sleep plus immune system support† for the whole family! Both formulas offer an herbal sleep blend added to our Elderberry Immune Syrup to help you have a restful night.† Featuring black elderberry, Echinacea, and vitamin C, these formulas are designed to provide immune system support.mykind Elderberry and Sleep Kids Benefits:-Immune system support-With traditional sleep herbs for a restful nightSugar free!