L-ARGININE HCL is a white crystalline powder or crystals that is freely soluble in water and slightly soluble in ethanol. It has a slightly characteristic taste. L-ARGININE HCL contains not less than 98.5 percent and not more than 101.0 percent of L-ARGININE HCL. L-ARGININE HCL is commonly used as an intermediate in various pharmaceutical manufacturing processes. It helps in increasing nitric oxide levels in the body which helps relax blood vessels and improve blood flow. This makes L-ARGININE HCL very useful for products aimed at cardiovascular health. L-ARGININE HCL also helps support a healthy immune system. Its properties make it suitable for use as an excipient or intermediate in various medicinal formulations.