Klean Endurance is a great-tasting chewable tablet that contains pure, all-natural D-Ribose to support the natural process by which a body produces adenosine triphosphate (ATP).
Klean Endurance contains pure D-Ribose to support the natural process by which a body produces adenosine triphosphate (ATP). The naturally-occurring pentose sugar supports cardiovascular health, energy production and mitochondrial function. Available in a great-tasting chewable tablet, Klean Endurance offers a clinically proven method to help restore energy during exercise.‡