DEVELOPED THROUGH SOUND SCIENCE
PROMOTES PEAK PERFORMANCE
EVERYTHING YOU NEED AND NOTHING YOU DONT
NSF CERTIFIED FOR SPORT
WHY KLEAN?

WHY KLEAN?


  • Third party‐certified, free‐from, science‐based formulas using high‐quality ingredient
  • Support your active lifestyle with everything you need – and nothing you don’t
  • GMO‐free and formulated without wheat, gluten, or artificial coloring, flavoring or sweeteners
  • Uncompromising standards at state‐of‐the‐art U.S. manufacturing facilities
  • Rigorous testing and third party certifications to ensure safety, consistency and quality.

OUR CUSTOMER'S FAVOURITES

OUR EXPERTS

Leslie J. Bonci , M.P.H., R.D., C.S.S.D., L.D.N.

Leslie is the owner of Active Eating, a nutrition consulting company that encourages clients to “Be fit, fed and fearless.”

Meet Leslie

Karlyn Grimes, M.S. R.D. L.D.N., C.S.S.D.

Karlyn is the founder of Simply Simple Health (SSH) and author of The Everything Anti-Inflammation Diet Book.

Meet Karlyn

Kelly C. Heim,
Ph.D.

Kelly is a nutritional pharmacologist and
Senior Director of Scientific Affairs for Klean Athlete.

Meet Kelly

The science of sports nutrition

At Klean Athlete we are deeply committed to and passionate about science and education.

Learn More

WE'RE ATHLETES IN THIS TOGETHER

Inspired by those who strive for optimal health and peak performance, we're athletes at heart.

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NSF CERTIFIED FOR SPORT®

NSF CERTIFIED FOR SPORT®

SHOP BY CATEGORY

VITAMINS, MINERALS, AND DAILY ESSENTIALS

VITAMINS & MINERALS

PROTEINS

PROTEIN POWDERS

ELECTROLYTES AND ENERGY

ELECTROLYTES & ENERGY

PRE AND POST-WORKOUT

PRE & POST-WORKOUT

AMINO ACIDS AND CREATINE

CREATINE & AMINO ACIDS

FOCUS

FOCUS

I am a Klean Athlete. Heather Banksley. Sponsored Athlete - Beach Volleyball.