Thank you for your interest.
For your information, Our protein shake will not be result in kidney stones or urinary tract infection. As this diseases can caused by a lot of factors. So far we do not have any customer that actually complaint of having this and our product will not lead to kidney stones or urinary tract infection & so far we have not encounter any complaints from customer regarding this issue. Please take note that kidney stones or urinary tract infection can caused by a lot of underlying factors, if you think you might having the risks of having them please consult your doctor regardless on whether you are taking our product or not taking our product.