Identification of Biometric Marker(s) Capable of Detecting Early Prediabetes: Clinical Trial 1

During this study visit, a standardized liquid test meal will be administered. Blood samples will be collected at baseline and then every 30 minutes for 4 hours after test meal.

During this study visit, 1.0 mg atropine will be administered I.V and then a standardized liquid test meal will be administered. Blood samples will be collected at baseline, following atropine administration, and then every 30 minutes for 4 hours after test meal.