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Klean-C by Klean Athlete and Douglas Laboratories is a delicious, strawberry orange-flavored chewable tablet delivering 525 mg of Vitamin C.


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Klean-C by Klean Athlete and Douglas Laboratories is a delicious, strawberry orange-flavored chewable tablet delivering 525 mg of Vitamin C. This specially formulated tablet utilizes vitamin C ascorbates to create a buffering effect for better tolerance in the stomach.

Vitamin C is an antioxidant and free radical scavenger offering immune benefits and connective tissue support.

Klean-C is NSF Certified for Sport. Products carrying this certification have undergone rigorous testing by the NSF Certified for Sport program, which was created to meet the growing demands of athletes, coaches and healthcare professionals to certify that sports supplements are safe and free from banned substances.

Every product that carries the NSF Certified for Sport mark has undergone stringent laboratory testing to confirm content, purity and compliance.


  • Antioxidant and immune support
  • Support for connective tissues
  • Improved iron absorption when taken concurrently


Each Tablet Contains:

  • Calories – 5
  • Total Carbohydrate – 2 g
  • Sugar Alcohol – 2 g
  • Vitamin C (as calcium ascorbate, sodium ascorbate, ascorbic acid, ascorbyl palmitate) – 525 mg
  • Calcium (as calcium ascorbate) – 35 mg
  • Sodium (as sodium ascorbate) – 20 mg

Other ingredients: Mannitol, xylitol, sunflower lecithin, natural orange and strawberry flavors, hydroxypropyl cellulose.

Non-GMO, Gluten-free

Suggested Use

As a dietary supplement, take 1 tablet 1-2 times daily or as directed by a health coach, trainer, or health professional.

Side Effects

No adverse side effects have been reported.


Store in a cool, dry place, away from direct light. Keep out of reach of children.

Gluten Free     GMO Free     Vegan     Vegetarian


Douglas Laboratories

Douglas Laboratories® researches, develops and manufactures the right suite of rigorously designed, science-based, healthy aging supplements, and provides customized practice support. With a 60-year heritage of innovating and designing products to meet the needs of healthcare professionals, we push the potential of both clinical practices and patients to continually perform at their personal best, today and in the future.
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Klean Athlete

When athletes visit your practice, they each present a unique set of challenges and individual needs. They may not be sick, but could be injured. They’re both energized and fatigued from their latest adventure, training session or competition. The Klean Athlete product line provides a solid nutrient foundation, including the vitamins, minerals and nutrients the body needs to perform at its best. Klean Athlete products fuel and fortify any athlete’s ability to optimize performance despite life’s daily stresses and promote an athlete’s overall health and wellness at any age, intensity or experience level. Every bottle of Klean Athlete is tested and certified by the NSF Certified for Sport® program,designed to endure safer sports nutrition, free from banned substances and contaminants. Whether you work with recreational athletes, active baby boomers or professional athletes, Klean Athlete has a place in your practice.
Klean Athlete by Douglas Laboratories


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