Used in metabolic studies to trace biochemical pathways, particularly in protein synthesis and amino acid metabolism. It serves as a stable isotope-labeled compound in NMR spectroscopy and mass spectrometry for structural analysis and quantification. Applied in research to investigate enzyme mechanisms and metabolic disorders. Also utilized in pharmaceutical development for drug metabolism studies and to enhance understanding of amino acid-related diseases. Its deuterated form allows for precise tracking in biological systems without altering natural biochemical processes.