Effect of CSIR-Developed High-Protein, Low-Glycaemic Index Rice on Glycaemic Response in Individuals With Prediabetes

Inclusion Criteria: * Age 18-60 years * Individuals with prediabetes, defined by oral glucose tolerance test (OGTT) as: * Fasting plasma glucose ≥100 mg/dL and \<126 mg/dL, and/or * 2-hour plasma glucose ≥140 mg/dL and \<200 mg/dL following ingestion of 75 g anhydrous glucose * Willingness to participate and comply with study procedures Exclusion Criteria: * Diagnosed diabetes mellitus * Acute infections or any debilitating illness * History of hepatic, pancreatic, renal, or cardiovascular disease * Abnormal liver or renal function tests * Recent (\<3 months) weight change ≥5% or use of weight-altering medications * Use of glucose-lowering medications * Pregnancy or lactation * Known allergy or intolerance to study foods * Any condition that, in the investigator's opinion, may interfere with study participation