Effects of the Bifidobacterium Longum BL21 on BMI, Metabolic Indicators, and Gut Microbiota in Overweight/Obese Adults

Exclusion Criteria

• •1. Patients with serious chronic diseases (heart, liver, kidney, hematopoietic system, tumor and other serious diseases, mental disease and organ surgery history, diabetes, etc.) and complications;
• •2. Patients with severe allergies and immune deficiencies;
• •3. Pregnant, breastfeeding, or expectant women during the study period
• •4. Patients with a clear history of gastrointestinal diseases (ulcers, irritable bowel syndrome, etc.);
• •5. Have a history of intervention with lipid-lowering drugs or health products within the past 2 months;
• •6. Individuals who have used antibiotics within the past two weeks;
• •7. Failure to consume the test sample as required, or failure to follow up on time, resulting in uncertain efficacy
• •8. Subjects deemed unsuitable by other researchers to participate.