Figure 1: A: Blood glucose level in SD rats after 28-day oral administration of glucosamine sodium sulfate at 500 (high dose), 250 (mid dose), 125 (low dose), or 0 (control) mg/kg body weight (*, significant difference compared to control group. p < 0.05). B: Body weight of SD rats after 28-day oral administration of glucosamine sodium sulfate at 500 (high dose), 250 (mid dose), 125 (low dose), or 0 (control) mg/kg body weight.