Zooby Fluoride Varnish Turtle Melon 5% Sodium - 100/Box5% Sodium Fluoride Varnish. Gluten Free. Sweetened with sucralose and xylitol. Thin, saliva tolerant formulation allows for easy application and adherance to moist teeth. Dries clear and offered in one tasty flavor that your patients will love Turtle Melon A Dental license is required upon purchasing Notice: please expect an email shortly after placing your order. without a valid license your order will be cancelled.