ALLMAX"s Citrulline Malate [2:1] is a premium pharmaceutical grade with 2 L-Citrulline amino acids bound to 1 Malate. Aside from assisting with delivery and absorption, the Malate has a critical function in the TCA (or Krebs) cycle that produces energy within the mitochondria. Specific research has shown a 34% increase in the rate of oxidative ATP, 20% increase in post-exercise phosphocreatine recovery and significant reduction in the sensation of fatigue.