Effect of Inulin-type Fructose Extracted From Jerusalem Artichoke on Improving Prediabetic State of Type 2 Diabetes

The soluble dietary fiber (NIUCHANG®) and placebo used in the trial were exclusively produced by Inuling (Beijing) Technology Co., Ltd. and provided free of charge. During the treatment period, the treatment group was given oral "NIUCHANG®" (once 15g,once a day)and the control group was given oral placebo (once15 g, once a day) for 24 weeks. The test was performed for 12 weeks as a course of treatment。At the end of one course of treatment, if the glucose tolerance was changed to normal or the blood glucose was stable in the pre‐diabetes phase, the original dose was maintained and continued for 12 weeks. At 24 weeks, patients with normal blood glucose and glucose tolerance tests were followed up for 48 weeks. At the end of one course of treatment, if the blood glucose progresses to the stage of diabetes, the test is withdrawn and treated according to clinical routine.