Effect of placebo, chromium dinicocysteinate (CDNC), chromium dinicotinate (CDN), and chromium picolinate (CP) supplementation on IRS-1 activation and GLUT2 levels in liver of ZDF rats. (a) The western blot, and (b) graph summarizes data from three independent experiments. Arbitrary units-ratio obtained by normalizing the intensity of individual bands against T-IRS or β-actin. *- significant when compared with base line. # - significant when compared with D-control, NS- Non-significant when compared with D-control.