L-Arginine Base USP FCC is a conditionally essential amino acid that plays a crucial role in protein synthesis, ammonia detoxification, and nitric oxide production. It is widely recognized for supporting cardiovascular health, immune function, and athletic performance. Its USP FCC grade ensures high purity, making it suitable for pharmaceutical, nutraceutical, and food applications. Commonly used in clinical nutrition, dietary supplements, and sports formulations, it is a key ingredient for metabolic and vascular support.