Probiotics and Non-Organic Gastrointestinal Improvement

Inclusion criteria

• Voluntarily sign the informed consent form and agree to participate in the study.
• Ability to complete the study according to the trial protocol requirements.
• Aged 18-65 years.
• Clinical diagnosis of non-organic gastrointestinal dysfunction (e.g., functional dyspepsia, functional constipation) without other serious organic diseases.

Exclusion criteria

• Use of drugs affecting intestinal flora (antibiotics, probiotics, intestinal mucosal protectants, herbal medicines, etc.) for >1 week within 1 month prior to screening.
• Short-term use of products with functions similar to the investigational product, which may interfere with result interpretation.
• Antibiotic use during the study period.
• History of severe systemic diseases or malignancies.
• Allergy to any ingredient in the compound probiotic freeze-dried powder used in the trial.
• Pregnancy, lactation, or plans for pregnancy in the near future.
• Inability to participate due to personal reasons.
• Other conditions deemed unsuitable by the investigators.