@bythewell, I want to see the scientific study that proves that this is or isn't a placebo. "Half the participants in this study were given their own urine and half were only told they were drinking their own urine and they were really given... a liquid that only tastes like their urine?"
I mean, how could you ever convince anyone they were drinking their own urine if they weren't actually drinking their own urine? Or how could you convince the other group they were drinking something other than their own urine?
I don't think a study on this is possible, mate.