I was skeptical at first, but these actually work! On a Friday evening with a full-blown UTI and knowing I'd have to wait through the weekend for a dr's appointment, I ran to the pharmacy to pick these up. I decided to do 3 doses every two hours that evening, and was so much better the next day. It still took about a week of regular dosage to feel completely back to normal, but not having to get another antibiotic prescription was fantastic.