The Effects of Aronia Melanocarpa Extract on Obese Individuals With Impaired Fasting Blood Glucose

Inclusion Criteria: * Aged 18-40 years * Simple obese individuals with stable body weight in the last three months before enrollment (28.0kg/m2 ≤ BMI \<35.0kg/m2) * Impaired fasting blood glucose: Within the last three months before enrollment, the venous fasting blood glucose was between 6.1 and 7.0 mmol/L, and the 2-hour postprandial blood glucose was\<7.8 mmol/L and the glycated hemoglobin (HbA1c) was \< 6.5% Exclusion Criteria: * Diagnosed patients with diabetes or those who use hypoglycemic drugs * Patients with concomitant hyperthyroidism or hypothyroidism, or those taking thyroxine tablets * Those who apply glucocorticoids within 12 weeks * Individuals with suspected renal dysfunction (female: serum creatinine ≥ 84 µ mol/L; male: serum creatinine ≥ 104 µ mol/L) or suspected liver dysfunction (elevated transaminase \>3 times normal or cirrhosis) * Secondary obesity (such as thalamic diseases, pituitary diseases, Cushing's syndrome, etc.) * Previous weight loss surgeries * Pregnant or lactating individuals * Individuals with confirmed mental illness or eating disorders * Women with polycystic ovary syndrome * Individuals who are allergic or intolerant to experimental products * Lactose intolerant individuals * Those who have taken probiotics and/or probiotic drugs or supplements within one month before enrollment * Those who fail to use intervention agents according to the study protocol or have severely incomplete visit records