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  • N-Acetylcysteine & selenium backed by research to boost aerobic endurance.*
  • 4:1:1 Ratio of water soluble BCAA's that mix clear.*
  • No artificial sweeteners, colors or filler.*

Betancourt Nutrition Pure Amino is the most advanced all-natural BCAA endurance & recovery drink mix available. It improves upon the typical 2:1:1 ratio of BCAA's by providing a 4:1:1 ratio (leucine 4g, isoleucine 1g, valine 1g) based on the fact that L-leucine is the most important amino acid when it comes to anabolic signaling for muscle growth and tissue repair (recovery).

Pure Amino also features the muscle anti-oxidant NAC: n-acetylcysteine which has been shown in research to aid the protection of muscle cells during exertion by promoting glutathione. This is also what is believed to be responsible for n-acetylcysteine's ability to boost aerobic endurance in some athletes. To further promote glutathione, selenium is used as well; these two muscle protecting ingredients (n-acetylcysteine and selenium) have been shown to boost endurance*


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Disclaimers: * No claims found on our web pages or in print have been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease. No claim or opinion on these pages is intended to be, nor should be construed to be, medical advice. Please consult with a healthcare professional before starting any diet or exercise program. Netrition and its associates are not responsible for product claims made by manufacturers on this web site. Netrition, Inc. is not responsible for typographical errors. Prices and information on these pages are subject to change without notice.