Sources Sought HEALTH AND HUMAN SERVICES, DEPARTMENT OF is seeking a Total Small Business Set-Aside for the procurement of U-13C glucose. U-13C glucose is typically used in clinical research to study brain metabolism in healthy volunteers. The glucose will be prepared into a 20% solution for oral administration, with each human study requiring 40-50 grams of U-13C glucose depending on the subject's body weight. The procurement will take place in Andover, MA, USA. For more information, contact Joe Kennedy at joseph.kennedy@nih.gov or 2623917630.