What is Mullein-X(™) Throat Spray On-the-Go? Nature’s Answer Mullein-X™ Throat Spray on the go is a natural blend of key herbal ingredients that was inspired by and developed utilizing modern and traditional herbology to help support upper respiratory health.* Formulated to help clear mucus, help soothe an irritated throat and support immune and upper respiratory health.* Mullein-X is the only multi system support formula that is non-drowsy, alcohol free, gluten free, drug free that contains the exclusive blend of Quik-Sorb®, made from natural ingredients to help aid your body’s natural ability to absorb.* This throat spray is perfect for on the go relief and is packed with herbs to support immune health and soothe an irritated throat.* What is Mullein-X™ Throat Spray On-the-Go used for? Mullein-X™ Throat Spray On-the-Go is used to help soothe an irritated throat.