Sport Endurance, Inc. develops, markets, and distributes dietary supplements in the United States. It sells Ultra Peak T, Sports Leg and Lung Formula, and Pain-Freeze Recovery Gel products in the areas of total wellness, performance, and recovery. The company was formerly known as Cayenne Construction, Inc. and changed its name to Sport Endurance, Inc. in August 2009. The company was founded in 2001 and is based in New York, New York.