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Supplements

We believe in helping all athletes achieve their goals on and off the field. From peak performance to everyday health and wellness, we’ve got you covered, and no matter if you’re a top-level pro or beginner athlete, quality and safety matter. That’s why all of our products are scientifically formulated, 3rd party tested by NSF Certified for Sport® and trusted by over 200 professional sports teams and 80 universities. Use the filters at the left to select the foundational nutrients and performance essentials fit for you.

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  1. Klean SR Beta-Alanine
    Klean SR Beta-Alanine
    Klean SR Beta-Alanine delays fatigue, supports muscle endurance, and supports exercise capacity during short periods of intense effort.
  2. Klean Multivitamin ™
    Klean Multivitamin ™
    Klean Multivitamin is specially formulated for the unique needs of athletes. Vitamins and minerals play vital roles in maintaining peak performance, from metabolizing fats and carbs, to providing fuel for training and competition, to utilizing protein for post-workout muscle restoration.
  3. Klean-D ™ 5000 IU
    Klean-D ™ 5000 IU
    Klean-D™ contains 5,000 IU of vitamin vitamin D3 per tablet as targeted support for athletes who train indoors or receive limited exposure to natural sunlight.
  4. Endurance I Bundle
    Endurance I Bundle
    The Endurance I bundle is for participatory and recreational athletes who engage in consistent and repetitive aerobic exercise 2-4 days a week, for at least 20-60 minutes per session, and at a moderate intensity (steady but not to the point of maximal effort).
  5. Klean Endurance ™
    Klean Endurance ™
    Klean Endurance is a great-tasting chewable tablet that contains pure, all-natural D-Ribose to support the natural process by which a body produces adenosine triphosphate (ATP).
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