(S)-3-Amino-5-methylhexanoic acid is primarily utilized in the pharmaceutical industry as a key intermediate in the synthesis of various bioactive compounds. Its chiral structure makes it valuable in the production of enantiomerically pure drugs, particularly those targeting neurological and cardiovascular disorders. Additionally, it serves as a building block in the development of peptide-based therapeutics, where its unique properties enhance the stability and efficacy of the final product. The compound is also explored in research for its potential role in modulating metabolic pathways, contributing to studies on metabolic diseases and enzyme inhibition.