L-Arginine L-Aspartate 7675-83-4 is a combination of two amino acids (L-arginine and L-aspartic acid) that plays a vital role in various physiological processes . L-arginine is known for its role in producing nitric oxide, a key molecule that helps relax blood vessels and improve blood flow. In turn, this can improve athletic performance and recovery. L-aspartate, on the other hand, is involved in energy production and plays a vital role in the Krebs cycle, which is essential for generating cellular energy.