INS and Insulin resistance: Fasting serum insulin numerically decreased in mice treated with VSG (1.4 ± 0.3 vs. 2.2 ± 0.3 pmoL/L; p = 0.08; Table 2) and homeostatic model assessment of insulin resistance (HOMA‐IR) was significantly reduced in VSG mice only (Figure 1G; Table 2).