LSP Nutrition Argilean 250 gArgilean 250 g contains the amino acid L arginine . It is made by the micronized method and therefore has better usability. Arginine is often added to pre workout supplements . It is intended for athletes who want to achieve better results and develop their figure. Arginine is one of the most effective weapons against lack of strength and poor performance. It is an amino acid that supports the blood vessels of athletes and thus the muscles. NO