KOOL "N FIT Muscle Conditioning (Sport) Spray is a powerful, all natural external muscle spray for better performance and health in sports. Used before exercise to prepare the body, during sports to invigorate, and afterwards to recover faster. It is easy to use, non-staining, and greaseless. Used worldwide by many professional athletes, teams, trainers, and coaches to train and compete at the highest possible level. Some of the differences between KOOL "N FIT Muscle Conditioning Spray (sport formula) and its cousin the KOOL "N FIT Pain Relieving Fluid is that the sport formula contains no anti-inflammatory properties and is stronger as an anti-spasmodic (cramp-relieving) and vaso-dilator (opening of blood vessels to increase circulation) product. KOOL "N FIT Muscle Conditioning Spray has four basic effects on the athlete"s body: Penetrates deeper than other analgesics to relax and soothe muscles better. Increases circulation (vaso-dialates blood vessels) for better warm-up before sports, higher oxygen/energy supply during sports, and better cool down after sports. Promotes healing process in case of injury. Relaxes tight muscles for better stretching, more efficient work, and lower injury risk. Great stress relief. Prevents cramping and spasms during or after sports. Less pain, fewer injuries, and no more "hitting the wall" during endurance sports. Relieves night cramps and restless leg symptoms. To test KOOL "N FIT Muscle Conditioning Spray, just spray on one arm or leg before workout. You will feel the difference!