Nutrition

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 »

Endurance

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 »

Performance

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 »

Sigma

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 Jerry Humphreys Joins Sigma Team

Jerry Humphreys Joins Sigma Team

We are thrilled to announce the joining of Jerry Humphreys to the Sigma Human Performance team..Jerry, a resident of Scottsdale Arizona has a cumulative 25yrs in the operation and administration of retail and service-oriented businesses… read more »