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The Perfect Blend for Endurance Athletes

Author:Britt Maughan
Many pre-workout blends use the amino acids Beta Alanine and Citrulline Malate - but often times the doses aren't enough to support performance - or the "energy" or "pump" you think you're feeling is really coming from a lot of caffeine. Proven Nutrition has the compounds in their purest form that allow you to customize your own endurance blend!

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