To assess the evaluation of banana flower stamens extract on prevention of benign prostatic hyperplasia in adults

This is a double-blind and randomized study. Subjects are informed to consume the samples every day for 2 months. The clinical diagnosis item of benign prostatic hyperplasia (BPH) is evaluated by the doctor. The questionnaires are collected at every visit of the trial.

Inclusion Criteria:

• Male aged 40-80 years old
• 7 ≤ IPSS score <19
• The subject did not take α-blocker or anticholinergic agents in the last 8 weeks. The subject did not take 5α-reductase inhibitor or androgen suppression agents in the last 16 weeks (depending on medical history).
• The subject isn't diagnosed with cancer
• The subject is able to read and finish the information on the questionnaire.
• The subject must read and sign the informed consent form after the study has been fully explained.

Exclusion criteria:

• The subject has a history of epilepsy or convulsions, liver and kidney disease, cancer, endocrine disease, mental illness, alcohol or drug abuse, and other major organic diseases (depending on medical history).
• The lower urinary tract urination symptoms of the subject are not related to prostatic hypertrophy (depending on medical history).
• Residual urine volume > 250 mL (depending on medical history)
• Subjects have had pelvic radiation therapy or pelvic surgery (including prostate or bladder surgery, but those who only have had a prostate slice can participate in the trial).
• Planned invasive procedures or examinations during the trial period, including prostate surgery, prostate biopsy, cystourethroscopy, pelvic surgery, exploratory laparotomy, or any treatment requiring the use of a urinary catheter.
• Subjects have taken sexual hormone preparations including LHRH agonists, anti-androgens, feminine, or Penta-reductase inhibitors (Proscar and Avodart) 16 weeks prior to the trial.
• Subjects have participated in other clinical trials 12 weeks prior to the trial.
• History or detection of prostate cancer (e.g., positive tissue biopsy or ultrasound findings, or suspected abnormalities on digital rectal examination [DRE]). However, subjects with suspected abnormalities on ultrasound or DRE may participate if they had a negative biopsy within the past 6 months and demonstrate stable Prostate-Specific Antigen (PSA) levels (based on medical history).