... DNJ entered the body, it can inhibit the decomposition of starch and sugar by sucrase, maltase, α-glucosidase, α-amylase enzyme, thus blocking ... the body's absorption of sugar, and inhibit the increase of glucose ... is a natural plant extract with little side-effect.[Specification]1%, 1.5% , 2%,10%,20% ,80%,95%,98% HPLC[Package ...