Fuel Every Step
Find the Right Nutrition for Your Journey
Put the World's Best-Selling Whey Protein Powder to the Test!4
Unlocking Potential Since 1986
Your Progress Is Our Purpose
For over 35 years, Optimum Nutrition® has been trusted by professional athletes and gym enthusiasts, always taking a hands-on approach to ensure the highest standards of quality.
From a Dream to a Global Gold Standard
Founded in 1986 by two brothers with a passion for performance, Optimum Nutrition began with one question:
How can we make sports nutrition better?
Since then, we’ve supported billions of workouts, shaped industry standards, and empowered everyday athletes and Olympians alike — with the products, science, and belief that you can always go further.
Built on Quality. Trusted Worldwide.
With over three decades of experience, we don’t just meet standards — we set them. From ingredient selection to final product, every step is driven by precision, integrity, and a relentless pursuit of excellence.
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lbs of whey rejected annually
We test every batch — and we don’t hesitate to reject what doesn’t meet our strict purity and performance standards.
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global awards for product quality
Recognised by athletes, experts, and industry leaders — our commitment to excellence has earned global trust.
Pioneering New Standards in Every Category
From the first slow-digesting protein to performance-ready energy and high-protein snacks – we’ve led the way with products built to deliver results.
Founded by Brothers
Tony and Mike Costello
Trusted in Over 100 Countries. By Champions at Every Level.
From elite Olympians to everyday runners, strength athletes to beginners — our products fuel millions of real people worldwide.
Because the science works. The routine works. The people prove it.
Performance Isn’t a Product. It’s a Lifestyle.
We exist to help you discover your potential — and then exceed it.That’s what it means to live the Gold Standard.