Science Link Logo johnberardi.com
Science Link Logo

human performance and nutrition consulting

Home of Dr. John Berardi, Ph.D., this site exists to help you build a better body.

How? By taking the best of the scientific research on exercise and nutrition for body transformation and distilling it into principles that work in the hectic, on-the-go lives we lead. Learn how to build a lean, strong and healthy body -- without sacrificing your life in the process.

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what we do

Precision Nutrition
Precision Nutrition

Our complete system for body transformation through nutrition. Includes system manuals, gourmet cookbook, and more. More about Precision Nutrition.

The fastest and surest way to body transformation. It's available anywhere you can find an internet connection.
More about Online Coaching.

Nutrition Network

Learn how to use the Precision Nutrition system with your own clients and athletes - to produce world-leading results. More on the PN Certification.

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A "Balanced Diet" Isn't Enough

You hear it all the time - from your mom, from dietitians, from doctors, from coaches, heck, even from your uncle Jimmy.

Just eat a "balanced diet" and you should be fine.

Of course, the fact that no one ever mentions what actually constitutes a "balanced diet" only adds to the mystique and allure of this mythical creature.

However, new research suggests that even when folks try to eat a "balanced diet" they usually miss the mark.

Indeed, in one recent study, over 70 diets were analyzed and every single one was deficient in 3 or more nutrients. And some diets were deficient in about 15 nutrients!

Not good - but completely preventable.
Click here to find out how...