L-Citrulline DL Malate 2:1 powder, or circulation supplements, consists of a nonessential amino acid, L-Citrulline, that is produced naturally by the body, and malic acid. Citrulline is naturally found in watermelon but it could also be taken a dietary supplement or sports supplement. It is most commonly taken by bodybuilders and athletes to improve exercise endurance, a vegan pre workout powder. Citrulline malate is most well-known for supporting athletic endurance.* L-Citrulline is a nonessential amino acid that the body uses to make proteins. It also helps the body produce nitric oxide, a chemical that improves blood flow throughout the body which plays an important role on male sexual wellness.* This vegan preworkout powder supports the cardiovascular system and heart health, which is a circulation and vein support supplement, and may help fortify the immune system.* L-Citrulline, or citrulline powder, may also contribute to sexual health and aid libido.* This L-Citrulline DL-Malate, a citrulline supplement, is a 2:1 ratio of citrulline and malate and is in powder form and it does not contain any fillers and additives.