Two methods for passing a test are Powdered urine and supervised urine tests. Powdered urine is made from human urine after mass dehydration. Both are disgusting and unreliable, so it is best to avoid them when possible. Here are some tips for doing a supervised urine test. Before starting, understand what synthetic urine is and how it is made. You can also read our article about supervised urine tests to learn more about the differences between the two. Powdered urine is 100% natural human urine that has gone through mass dehydration. If you are wondering if powdered urine is the answer to your test questions, you are not alone. Millions of people face the same problem and are looking for the answer. But before you purchase a powdered urine kit, you need to know how it differs from liquid synthetic pee. It can be used to pass a test. You have probably heard of the UPass device, designed to simulate the presence of real urine on a test. Unfortunately, taking a test at your ...