L-ARGININE XTREME is the highest quality preparation containing L-arginine in a readily bioavailable form. This amino acid is not only a building block for proteins, but also plays a crucial role in the synthesis of nitric oxide (NO), which is responsible for the relaxation of blood vessels and improved blood flow. L-Arginine Xtreme from Trec Nutrition is designed for athletes and physically active individuals who want to support their training, improve endurance, and accelerate regeneration. The product is in the form of convenient capsules, making it easy to dose and consume.