RecruitingDietary supplementEffect of Chronic Exposure to Nextida GC-B on Glycemic Control in Adults With Normoglycemia or PrediabetesThe goal of this clinical trial is to investigate the safety and efficacy of Nextida GC-B on glycemic control in adults with normoglycemia and prediabetes. The main question it aims to answer is: What is the difference in change in postprandial glycemic control from baseline at Day 90 between Nextida GC-B and placebo as assessed by glucose incremental AUC (iAUC 0-180 min).