H-Val-Gly-OH, a dipeptide composed of valine and glycine, is primarily utilized in the field of biochemical research. It serves as a building block in peptide synthesis, enabling the creation of more complex peptides and proteins for studying biological processes. This dipeptide is also employed in the development of peptide-based drugs, where its structure can be modified to enhance therapeutic properties. Additionally, it finds applications in studying enzyme-substrate interactions and protein folding mechanisms, providing insights into cellular functions. Its role in nutritional science includes investigating peptide absorption and metabolism, contributing to the design of functional foods and dietary supplements.