Table 3.

Effects of metformin, insulin, and herbal extract on the percentage change in body weight in normal and diabetic rats.

Groups	Percentage change in body weight
Control	11.83 ± 1.6
STZ	−16.83 ± 2.15
STZ + met	−3.00 ± 4.29
STZ + insulin	−3.66 ± 1.20
STZ + herb	−7.00 ± 2.59

Data are presented as means ± SEM (n = 6). ^aSignificantly different from control at P ≤ 0.05. ^bSignificantly different from STZ at P ≤ 0.01.