L -Arginine is an amino acid that plays an important role in several important pathways, including the synthesis of proteins, the production of creatine phosphate, needed to produce ATP, and the synthesis of nitric oxide, a secondary messenger involved in blood flow.Arginine has gotten lots of attention lately for its potential heart benefits. • L-Arginine is a popular amino acid for its amazing nitrogen retention ability. Nitrogen is one of the key elements in muscle protein synthesis. • L-Arginine Powder helps support athletic endurance and helps boost nitric oxide production. • L-Arginine is a necessary precursor to creatine which helps supply energy to all of the cells of the body. • L-Arginine helps support cardiovascular health and a healthy immune system It supports blood sugar regulation already in normal range and supports brain health. Arginine that facilitates dilation in blood vessels. • L-Arginine helps promote the necessary blood flow and circulation in order to maintain a healthy circulatory system needed when maintaining an active lifestyle.