The Department of Health and Human Services, specifically the National Institutes of Health (NIH), is seeking qualified small businesses to provide L-Glutamine enriched with stable isotope 13C for neuroscience research. The procurement aims to secure domestically manufactured chemicals that are essential for enhancing carbon-13 MR spectroscopy signals, which are critical for studying brain metabolism and measuring important metabolites. This initiative underscores the importance of maintaining a domestic supply of these chemicals to support ongoing research efforts at NIH and NIMH. Interested parties must submit their responses, including company information and capability statements, electronically to Joseph Kennedy at joseph.kennedy@nih.gov by January 22, 2025, as the anticipated contract duration is 12 months.