This study aimed to investigate the regulatory effects of complex dietary fiber on blood glucose,blood lipids,short-chain fatty acids(SCFAs),and gut microbiota in diabetic mice.SPF-grade C57BL/6J mice were selected,with the control group fed a basal diet while the remaining mice were fed a high-sugar,high-fat diet for 8 weeks followed by intraperitoneal injection of streptozotocin(STZ)solution to induce di-abetes.The diabetic mice were randomly divided into model control group,low,medium,and high-dose complex dietary fiber groups.The control gr...