Our bodies are continuously assaulted by the world around us, but you can guard yourself against it with Dr. Barbara Hendel's Environmental Defense. This homeopathic preparation temporarily relieves fatigue, dry and hard coughs, restlessness and nervous irritability. After more than 20 years of treating patients in Germany using combinations of individual homeopathic remedies, Dr. Hendel welcomes the chance to team with Swanson Health Products to create easy, custom-formulated homeopathic solutions you can select and use successfully on your own.