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Klean-D 1000 IU

Klean-D 1000 IU by Klean Athlete and Douglas Laboratories contains 25 mcg (equivalent to 1,000 I.U.) of natural vitamin D3 per tablet.


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Klean-D 1000 IU

Klean-D 1000 IU by Klean Athlete and Douglas Laboratories contains 25 mcg (equivalent to 1,000 I.U.) of natural vitamin D3 per tablet. Vitamin D supplementation may help support immunity, musculoskeletal strength and physical performance in athletes.

Klean-D is tested and certified 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 completely 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.


  • Healthy vitamin D levels
  • Bone health and calcium absorption
  • Muscular support


Serving Size 1 tablet:

  • Vitamin D3 – 25 mcg (1,000 IU)
    (as cholecalciferol)

Other ingredients: Microcrystalline cellulose, vegetable stearate and silica

Gluten-free, Non-GMO

Suggested Use

Adults take 1 Klean-D 1000 IU tablet daily with a meal or as directed by a trainer, health coach, or health professional.

Vitamin D is a fat-soluble vitamin; therefore, it is important to take this tablet with a fat-containing meal or with Klean Omega.


If you are pregnant, nursing, have any health condition or taking any medication, consult your health professional before using this product.


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

Gluten Free     GMO Free     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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Klean-D 1000 IU 100ct by Klean Athlete and Douglas LaboratoriesKlean-D 1000 IU

Available on backorder

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