THE PROTEIN WORKS ™ Citrulline Malate powder is an amino acid complex supplement shown to help delay the onset of fatigue and improve exercise intensity. It’s made from combining the amino acid citrulline and the organic salt malate. Numerous studies have found that Citrulline Malate has an ability to buffer lactic acid in the muscles when working at a high intensity. It does this by improving the efficiency of the body’s energy system, whilst at the same time helping the body cope with the toxins and waste products such as lactic acid. Citruline Malate is a key ingredient of many pre-workout shakes and powders. Click on the Product to see full information for your absolute peace of mind.