I have been suffering with kidney stones since 2008. I have been in the emergency room 9 times with them. I have the non-barbed kind caused by uric acid and calcium. Previously I had a 1.4 centimeter stone removed surgically. I passed a 9.5 millimeter stone in February of 2017. Right after that I passed an 8 millimeter stone. My stones have recently been recurring about every 21 to 24 days. I found these capsules on the internet after doing further research. I started taking these twice a day in March. All I can say is that my stones, when I pass them, are very fine and pass without trouble. I went this morning and found that I had passed quite a few and that they were very fine and I didn’t even realize I’d passed them. I have received no compensation for this review. I’m going to keep taking them to make sure, but right now they have my vote. If you suffer from these and all you get is a lot of double talk and useless medicine from your urologist you may want to try these.