In STZ-nicotinamide-induced experimental type 1 diabetes in rats resveratrol resulted in significant decrease in the levels of blood glucose, glycosylated hemoglobin, blood urea, serum uric acid, serum creatinine, and diminished activities of aspartate transaminase (AST), alanine transaminase (ALT), and alkaline phosphatase (ALP). Here, GPT is linked to type 1 diabetes mellitus.