Klean Endurance™ by Klean Athlete® is an all natural D-ribose chewable supplement to help maintain performance in extended high intensity workouts. D-ribose is a natural pentose sugar that creates ATP for the
support of athletic performance and energy production. Klean Endurance™ comes in great-tasting, naturally sweetened, orange/vanilla flavoured chewable tablets.
Supports athletic performance and energy production