Health is not something that you biologically lose as you age. It is something that you build or give away a little each day, in what you do, and what you don't do."

- Jayson B. Calton, Ph.D.
Calton Nutrition is a site for the nutritionally inquisitive; those who are willing to think for themselves, question established ideas and integrate the latest nutritional research into their definition of health.

Among the world's leading experts on the topics of weight loss, human nutrition and micronutrient deficiency, the Caltons offer nutritional advice based on more than two decades of accumulated knowledge and education. The Caltons are using their unique global perspective of nutrition to help in the fight against the obesity and disease epidemics facing the world today.

Testimonials

"As a physician and sports medicine surgeon, the Calton's work on micronutrient deficiency has been an invaluable resource for both myself and for my patients. Through their groundbreaking work in Naked Calories they have demonstrated that they are the industry leaders in their field. Their work is an important and indispensable resource for those of all ages and activity levels"

-Dr. Robert Nicoletta, MD
Chief of Orthopedic Surgery and Sports Medicine, St. Elizabeth's Medical Center and Assistant Professor in Orthopedic Surgery,Tufts University

The Calton Project

Can a global perspective of nutrition help to reverse the worldwide epidemics of obesity and disease?

"Our goal was to observe the eating patterns of people throughout the world. We wanted to discover how different nutritional philosophies affected their health and use that information to rethink how we eat in America."


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  • 100 Countries
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  •     6 Years of Travel
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Are you micronutrient deficient?  Take our quiz and discover  the micronutrient depleting pitfalls.

The Discovery Center

Come and explore our collection of insightful articles, interactive quizzes and helpful resource lists.

  • What is Anti-Competition™ Technology? Learn how micronutrient competition is affecting you.

    Could there be a secret battle in your supplement?
  • Is there a global micronutrient deficiency epidemic?

    We reveal the truth and the consequences of this worldwide condition.
  • Are you a nutrivore?

    Learn the benefits of becoming one today.
  • Could micronutrient deficiency be a missing link in the fight against overweight/obesity?

    Read the research and decide for yourself.
  • Are you looking for high quality food options in your area?

    We can help you find just what you are looking for.
Evaluate your multivitamin using the ABC's of Supplementation Sneak Peak: Naked Calories - Maximize Weight Loss, Prevent Disease, and Enhance your Life. nutreince - Drink in health. The multivitamin reinvented. Why do diets fail?  4 Seasons for Life.
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