Better first try cow urine, this is also available in Japan. The function of the kidneys is to keep the various elements in the blood balanced. If you drink your urine, you are reintroducing that disease back to your body.
Gomūtra is good medicine for liver disease, this is made from cow urine.
The ingredients of panca-gavya are milk, yogurt, ghee (clarified butter), cow urine and cow dung. All these items come from the cow; therefore we can just imagine how important the cow is, since its urine and stool are required for bathing the Deity. The pancamrta consists of five kinds of nectar -- yogurt, milk, ghee, honey and sugar. The major portion of this preparation also comes from the cow. To make it more palatable, sugar and honey are added.