Taurine has traditionally been classified as a non-essential amino acid, but by strict chemical definition it is actually an amino sulfonic acid. As a derivative of another amino acid (cysteine), taurine is synthesized by humans in both the brain and the liver. However, its most important role in humans is its role in digestion, since taurine is a major component of bile acid.
In recent years taurine has become a common ingredient in energy drinks, partly due to findings in mice that it alleviates muscle fatigue during strenuous workouts. However, these findings have not been duplicated conclusively in humans. Taurine levels in the body also remain relatively constant so typical oral dosages have little effect on overall body levels.
Presently, despite being included in many energy drinks, taurine has not been proven to be energy-giving or beneficial in generally healthy non-deficient adults. For that reason it is not currently provided as part of the Rev3 products.
As always, USANA scientists will continue to monitor the best available research on this subject.
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