Ribose is a naturally occurring sugar is responsible for helping the matabolic process of adenosine triphosphate (ATP) synthesis responsible for energy production. Supplementing with D-Ribose means an increased ATP (energy compound) production and therefore increased energy levels during exercise and furthermore increased endurance, along with enhanced recovery as well as helping speed up the recovery process. Furthermore, supplementation with D-Ribose in conjunction with creatine may enhance the increased energy production benefits of creatine, by increasing the rate of ATP regeneration. Your body needs to keep its production of adenosine triphosphate (ATP) at its highest possible level for maximum energy production, and peak physical performance. This supply of ATP is absolutely vital for your heart and skeletal muscles to have all the energy they need to provide maximum strength and endurance output. D-Ribose helps muscles to recharge their energy within a day rather than the 4 or more days it usually takes. Additional Features Suggested Use Consume 5g 3 Times per day or 30-40 minutes prior to exercise. Serious athletes may wish to increase the dosage during heavy training. CFS- As advised by your Doctor or Practitioner