Arnica or Arnica montana is a mountain plant (leopard's bane) found in the Northwest of the United States as well as central Europe. Generations of athletes, trainers and moms have long enjoyed the relief Arnica provides. Arnica Gel is used for relief of muscle aches and stiffness, due to minor injuries, overexertion, falls, and blows. Reduces pain, swelling, and discoloration from bruises.