Meanwhile, the level of serum insulin in T1DM group was significantly decreased compared with control group, and Allicin (L) or Allicin (H) administration could recover the serum insulin level in STZ-induced T1DM mice, while Allicin (L) treatment had no significant difference compared with T1DM group (Figure 2B). This evidence concerns the gene INS and type 1 diabetes mellitus.