Bestflo 0.4mg (30 tablets) is a medication used to treat symptoms of benign prostatic hyperplasia (BPH), a condition in which the prostate gland becomes enlarged. It works by relaxing the muscles in the prostate and bladder, improving urine flow and reducing symptoms like frequent urination or difficulty in starting urination. The 30-tablet pack provides a month's supply, but it is important to follow your healthcare provider's instructions for optimal results.