Klean Athlete®: The Clean Choice for Complete Nutrition

Front view shot of Klean Athlete product range

A healthy athlete is a more effective athlete; we believe that building a solid nutritional base is key to peak performance.

Developed through sound science, containing everything you need and nothing that you don’t, the Klean Athlete range comprises targeted products that promote peak performance by fueling everyone from weekend warriors to pro athletes with a nutritional base designed to support their training and overall wellbeing – it’s the clean choice for athletes to achieve their performance goals.

Klean Athlete products GMO-free and formulated without wheat, gluten, artificial coloring, flavoring, or sweeteners, and are recommended by athletes, coaches, and healthcare professionals, thanks in part to our NSF Certified for Sport® label.

NSF Certified for Sport® Nutritional Supplements

What you put into your body, is what you get out of it. That’s why we’re proud to partner with NSF Certified for Sport® to ensure that each and every Klean Athlete product is third-party certified.

The Certified for Sport® program certifies that what is on the label is in the bottle and that the product does not contain unsafe levels of contaminants, prohibited substances, or masking agents.

When it comes to quality and safety certifications for dietary supplements, NSF International is considered the gold standard. NSF International is the leading accredited third-party certifier of dietary supplements, functional foods, and dietary supplement raw ingredients (ANSI-Accredited Product Certification Body -Accreditation #0216).

The program is recognized by the NFL®, NFL Players Association®, MLB®, MLB® Players Association, PGA®, LPGA® and Canadian Centre for Ethics in Sports®.

Certified supplements must meet rigorous standards that include comprehensive lab testing and extensive evaluation of the manufacturing process to ensure contaminated substances or hidden ingredients are not added to a product.

The Complete Klean Collection

Explore the benefits of each product in the Klean Athlete collection and discover how they can help you to build a solid nutritional base on your journey to peak performance:


  • When to use: Daily.
  • Key benefits: Designed for athletes who primarily train indoors and get minimal exposure to sunlight. Klean-D contributes to healthy plasma vitamin D levels and helps muscles to recover after intense exercise or injury.

Klean Multivitamin

  • When to use: Daily (take two easy-to-swallow tablets per day).
  • Key benefits: Enhances an athlete’s overall micronutrient intake, providing essential nutrients to support the health of the whole body and the wider immune system. Klean Multivitamin contains antioxidant and whole food extracts to fight free radical damage in the body related to high-intensity exercise.

Klean Omega

  • When to use: Daily.
  • Key benefits: Provides joint, cardiovascular, neurological and muscle support, thanks to the inclusion of purified fish oil delivering the triglyceride form of omega-3, which helps to maximize absorption.

Klean Probiotic

  • When to use: Daily.
  • Key benefits: Contains 15 billion CFU cultures to support the health of the immune system, respiratory tract, and gastrointestinal tract.

Klean B-Complex

  • When to use: Daily.
  • Key benefits: Supports energy production, muscle repair and provides support for muscle building.

Klean Collagen+C

  • When to use: 15-30 minutes pre-activity
  • Key benefits: Provides support to joints and connective tissue, thanks to a formula containing easily absorbable collagen peptides.

Klean Essential Aminos + HMB

  • When to use: Daily.
  • Key benefits: Supports building lean muscle mass and function for adult athletes.

Klean SR Beta-Alanine

  • When to use: Daily or 15-30 minutes pre-activity.
  • Key benefits: Combat lactic acid build-up after high-intensity training with Klean SR Beta-Alanine, which is designed to delay fatigue, while supporting muscle endurance and exercise capacity. This could ultimately allow you to train harder, stronger and more effectively.


  • When to use: Daily.
  • Key benefits: Klean-C contains the antioxidant vitamin C to help combat free radical damage following exercise. Vitamin C can provide support to the immune system and connective tissues, which could help to reduce recovery time between workouts.

Klean Magnesium

  • When to use: Daily.
  • Key benefits: Supports your body’s ability to produce and use energy (ATP) for muscle function, protein synthesis, and improved recovery time between workouts, helping you to make the most of every training session.

Klean Melatonin

  • When to use: Take two sprays each evening before going to bed.
  • Key benefits: Taking a melatonin supplement can help you to fall asleep faster and experience better overall sleep quality – exactly what busy athletes need after travelling, training, and pushing themselves to the max.


  • When to use: Best taken 30 minutes pre-workout. It can also be consumed during and post-workout.
  • Key benefits:  Provides a direct source of energy to the muscles for performance and recovery. Supports peak physical performance by increasing strength, power and muscle gain, allowing the body to train longer, harder and stronger.

Klean Creatine

  • When to use: For best results, take this product with a carbohydrate-containing beverage or food 30 minutes before exercise, or immediately following exercise with a recovery beverage, such as Klean Recovery Supplements.
  • Key benefits: Klean Creatine supports muscle strength, performance, and recovery. Creatine is scientifically proven to help you increase your body strength, build muscle mass, and recover more quickly from strenuous exercise.

Discover more about what creatine is and what it can do for your workout here:

Klean Electrolytes

  • When to use: Before, during or after a workout – designed specifically to provide support during exercise sessions that last for over two hours.
  • Key benefits: Klean Electrolytes replenishes important minerals in the body during or after exercise. The loss of sodium, potassium, chloride, calcium and magnesium can lead to fatigue, dehydration and muscle cramps. The easy-to-dose capsule form makes it easy for an athlete to customize the dosage to meet their specific training and performance needs.

Klean Endurance

  • When to use: Before, during or after a workout.
  • Key benefits: Klean Endurance offers a clinically proven method to help restore energy during exercise.

Klean Isolate

  • When to use: Daily, before and/or after activity.
  • Key benefits: Whey isolate is typically more easily tolerated by the gut than whey concentrate, thanks to its lower lactose content. Klean Isolate naturally contains the electrolytes sodium and potassium.

Klean Recovery

  • When to use: Post-workout.
  • Key benefits: Provides a beneficial ratio of carbs to protein, to help support glycogen re-synthesis and muscle protein synthesis immediately after a workout.

Klean Antioxidant

  • When to use: Daily.
  • Key benefits: Provides a strong defence against the free radicals that are capable of disrupting metabolic activity, thanks to a patented combination of Acetyl I-carnitine and Alpha lipoic acid. Klean Antioxidant includes the maqui berry superfruit, which contains antioxidants, as well as Astaxanthin, which is known to support healthy aging.

Klean Hydration

  • When to use: Daily consumption may vary depending upon exercise frequency, duration, and intensity. May be taken pre-, during, or post-activity.
  • Key benefits: Provides optimal hydration, supporting fluid replenishment without slowing you down.

Klean Focus®

  • When to use: Daily.
  • Key benefits: Supports cognitive, cellular, and vision health, thanks to a formula featuring antioxidants, fruit extracts, and other nutrients.

Whatever fitness or nutritional support you’re looking for, you can be sure that Klean Athlete is a clean choice.

Shop Klean Athlete Products



Dive further into the science behind Klean.

All registered and unregistered trademarks are the property of their respective owners and used without permission.

‡These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.

NSF Explains: Supplement Safety for Athletes


NSF Explains: Supplement Safety for Athletes

Discover what NSF Certified for Sport® supplements mean for you and your training.

2020-09-16 08:11:32By Klean Athlete

Klean Athlete

Klean Athlete

Klean Athlete