Homeopathic product. Roll on Pain Relief Quickly relieves sore muscles, tendons, cramps, spasms, aches and brusies Helps ease swelling Natural and long lasting Medicated deep penetrating action Uses: Relieves muscle pain and soreness due to overuse, strain, spasm, or trauma. The Power of Ruta Graveolens, Hypericum, and Arnica This combination contains highly potent naturally occurring anti spasmolytic phytochemicals which provide fast relief for sore msucles, tendons, cramps/spasms.