This formulation has a combination of specific circulatory stimulants, which include Capsicum, Rosemary & Camphor. The increase of circulation to the affected area is essential for the healing & reduction of pain. Arnica & St. John's Wort are also key ingredients as they are used to reduce the strain & support the healing process within the muscle & tendons. Arnica will assist in reducing any tissue trauma, while St. John's Wort will improve nerve transmission.