Diabetes is the fourth major cause of death in Taiwan. High blood glucose can lead to macrovascular diseases, small vessel diseases (retinopathy, kidney disease), and neuropathy. This study aimed to investigate whether Monascus-fermented products (ANKASCIN 568 plus) can regulate blood glucose and blood lipids. This study enrolled 39 patients with a fasting blood glucose level between 100 mg/dL and 180 mg/dL, and a glycated hemoglobin (HbA1c) level of < 9%. All patients were randomly divided into placebo (n = 20) and experimental (n = 19) groups. Each patient received two placebo capsules (maltodextrin) or ANKASCIN 568 plus capsules daily for 12 weeks. The patients were screened during follow-up 4 weeks after the administration of sample or placebo had been discontinued. Blood and urine samples were collected at the initial, 6th week, 12th week, and 16th week. The anthropometric indicators of blood pressure, fasting plasma glucose level, postprandial plasma glucose level, insulin level, insulin resistance, blood lipid changes, and liver, kidney, and thyroid function indices were measured. After 6 weeks, changes in fasting blood glucose, low-density lipoprotein cholesterol (LDL-C), and total cholesterol (TC) levels showed that ANKASCIN 568 plus had a more favorable effect than the placebo. Compared to baseline, a statistically significant decrease of 8.5%, 10.3%, and 7.5% was observed in fasting blood glucose, LDL-C and, TC levels, respectively (p < 0.05 for all pairs). Therefore, ANKASCIN 568 plus produced by Monascus purpureus NTU 568 fermentation may be a potentially useful agent for the regulation of blood glucose and blood lipids and for treatment of coronary artery diseases.

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