Laperva l-arginine l-citrulline Beta-Alanine Veggie Capsules are made from plant-derived substances that make them easily absorbable (arginine, citrulline and beta-alanine) to improve energy levels because they contain amino acids and proteins as food. Supplement and convert L-arginine into a chemical called nitric oxide to widen blood vessels, improve blood flow, increase oxygen levels in the muscles, and stimulate the secretion of growth hormone and insulin to support libido and improve erectile function in men. As a result of increased blood flow. L-citrulline is an amino acid that increases the supply of components the body needs to make certain proteins. It provides more power to improve performance levels. As for beta-alanine, it improves ability, and increases endurance, and improves performance.