Klean Endurance™ is a NSF Certified for Sport® supplement of chewable tablets that contain pure D-Ribose to support the natural production of adenosine triphosphate (ATP). Klean Endurance chewable tablets are great tasting, natural vanilla flavored, sweetened with xylitol and convenient for on-the-go supplementation.

These statements have not been evaluated by the Food and Drug Administration (FDA). These products are not meant to diagnose, treat or cure any disease or medical condition. Please consult your doctor before starting any exercise or nutritional supplement program or before using these or any product during pregnancy or if you have a serious medical condition.
Individual results may vary. This product is not intended to diagnose, treat, cure or prevent any disease.