Ribose is an essential pentose (5-carbon) sugar utilized by the body to produce energy. RiboseOne offers a proven way to replenish cellular energy by restoring the ATP levels in skeletal muscle and heart tissue. Studies have shown that Ribose plays an important role in supporting a fast energy recovery time after exercise. Ribose is a fundamental building block of ATP (adenosine triphosphate). Ribose is crucial to the body's antioxidant defenses.