What Is L-Citrulline DL-Malate 2:1 Powder? L-citrulline DL-malate 2:1 powder is a compound consisting of citrulline and malic acid. L-citrulline is an amino acid that is produced naturally by the body and is found in the heart, muscles, and brain tissue. L-Citrulline DL-Malate 2:1 Powder Benefits † L-citrulline DL-malate 2:1 powder is commonly taken as part of a preworkout regimen and may also help with recovery after hard exercise. It helps boost energy, and it supports circulation and the cardiovascular system. L-citrulline DL-malate 2:1 powder also promotes heart health, fortifies the immune system, and may help aid libido and sexual health. Helps boost energy & aids exercise recovery Great pre & post workout supplement Supports circulation Contributes to cardiovascular health Fortifies the immune system Benefits sexual health & may help aid libido