SLC5A1 and Insulin resistance: Moreover, our previous research on Astragalus membranaceus (the most important Chinese herbs in BZYQF) found that after treatment for 8 weeks, Astragalus polysaccharides could promote insulin secretion, improve insulin resistance, and reduce the expressions of SGLT-1 and GLUT2 in the intestine of T2DM rats [27].