Natural Alternatives International, Inc. (NAI) is the industry-leading formulator and manufacturer of customized nutritional supplements. We take a unique partnership approach to combine science-based formulation, advanced quality assurance testing.
CarnoSyn® is for the athlete who wants more—more reps, speed, muscle, focus, and more personal records. As the leading ingredient in the top sports nutrition formulas, CarnoSyn® beta-alanine helps athletes of all abilities push past plateaus
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