Individualized and precise dietary instruction based on your metabolism, training load, and your goals. Your nutrition will underwrite your ability to perform and recover. read more »


Sigma provides the most direct path towards achieving your endurance goals and delivers your training in a manner that is understandable to any athlete. read more »


We are the sum of 100 years of research. The only thing we take more seriously than our history, is your future with us as an athlete. Your days of guessing are over. read more »


The term “Sigma” is ubiquitous. We see it everywhere represented in a variety of forms, but seldom realize what it means. “Sigma” equals “the sum of all parts”. read more »

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Permalink to The “Secret” Antioxident?

The “Secret” Antioxident?

For decades, the nutritional community has been aware of the benefit of foods high in antioxidant value. However, most research has been limited to reducing the impact of certain types of oxidative stress (which can… read more »