I've been taking them for about a year and a half now, and yes they work, at least for me. I found mine online because they're less expensive, and also because I had a hard time finding them in a store. I use Nature's Way Standardized (MUST be standardized). It's also an Anti-Adherence which further helps to keep bacteria from attaching. I get 120 tablets for I believe $9.99, and you're to take 3 a day, or one every 8 hours, with 8 oz. of water. So I take one in the morning when I get up, one at dinner, and one before bed. Do a search online and you'll find them.