- Klean Endurance - D-Ribose to Restore Energy, Support Cardiac Function and Reduce Muscle Fatigue - NSF Certified for Sport - 90 Chewable Tablets - Vanilla Crème Flavor
- Klean Endurance - D-Ribose to Restore Energy, Support Cardiac Function and Reduce Muscle Fatigue - NSF Certified for Sport - 90 Chewable Tablets - Vanilla Crème Flavor
- Klean Endurance - D-Ribose to Restore Energy, Support Cardiac Function and Reduce Muscle Fatigue - NSF Certified for Sport - 90 Chewable Tablets - Vanilla Crème Flavor
- Klean Endurance - D-Ribose to Restore Energy, Support Cardiac Function and Reduce Muscle Fatigue - NSF Certified for Sport - 90 Chewable Tablets - Vanilla Crème Flavor
- Klean Endurance - D-Ribose to Restore Energy, Support Cardiac Function and Reduce Muscle Fatigue - NSF Certified for Sport - 90 Chewable Tablets - Vanilla Crème Flavor
- Klean Endurance - D-Ribose to Restore Energy, Support Cardiac Function and Reduce Muscle Fatigue - NSF Certified for Sport - 90 Chewable Tablets - Vanilla Crème Flavor
- Klean Endurance - D-Ribose to Restore Energy, Support Cardiac Function and Reduce Muscle Fatigue - NSF Certified for Sport - 90 Chewable Tablets - Vanilla Crème Flavor
- Klean Endurance - D-Ribose to Restore Energy, Support Cardiac Function and Reduce Muscle Fatigue - NSF Certified for Sport - 90 Chewable Tablets - Vanilla Crème Flavor

- Klean Endurance - D-Ribose to Restore Energy, Support Cardiac Function and Reduce Muscle Fatigue - NSF Certified for Sport - 90 Chewable Tablets - Vanilla Crème Flavor

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  • RECOVERY: Consuming after a workout helps speed muscle recovery, restore energy, support cardiac function and reduce muscle stiffness, soreness, and fatigue.*
  • ENERGY: D-Ribose is the critical building block for producing ATP, the energy currency of the cell. Supplementing with D-Ribose allows the muscles to bypass the slow, rate-limited process of making ribose from glucose, thereby accelerating energy synthesis and recovery.*
  • FAST ACTING & TASTES GREAT: Endurance chews are great-tasting, convenient to take, and work within 15 minutes of consumption.*
  • DOES NOT CONTAIN: This product contains NO salt, yeast, wheat, gluten, soy, artificial coloring, artificial preservatives or genetically modified organisms (GMOs).
  • NSF CERTIFIED: Klean Athlete is a line of NSF Certified for Sport nutritional supplements certified free from banned substances and contaminants. Our suite of targeted products promotes peak performance by fueling and fortifying with a solid nutritional base to support an athlete’s training and overall well-being.* *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

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.