L-Lysine, N6,N6-dimethyl-, monohydrochloride is a specialty chemical and modified amino acid derivative primarily utilized in biochemical and pharmacological research. Its unique structure enables investigations into enzyme mechanisms, protein functions, and amino acid metabolism pathways. It serves as an intermediate in pharmaceutical synthesis for developing bioactive compounds and potential therapeutics targeting metabolic disorders. While it shows promise in enhancing drug delivery or efficacy, its application in nutritional supplements or animal feed is limited and requires additional studies to confirm bioavailability, safety, and effectiveness.