From the perspective of western medicine, urine therapy has no scientific basis at all. The main components of urine are metabolic end products and toxic and harmful substances, such as uric acid and urea. These metabolic wastes that have been discharged from the body are absorbed again, which is definitely unfavorable to human health. The human kidney is used to excrete the body's metabolic waste, and most of the urine is waste except water.

Urine excreted by normal human body does contain beneficial substances such as protein, alkaline acid and urokinase, but the content of these substances is extremely low and almost negligible. In contrast, the composition of urine is complex, and it also contains uric acid, creatinine and so on. If in a pathological state, urine will also contain sugar, red blood cells, white blood cells, ketone bodies and so on. Because it contains metabolic waste and some toxins, it is not good to drink urine directly, which may lead to metabolite poisoning.

The medical value of urine is recorded in ancient medical books in China. It is considered that the urine of healthy people can nourish yin, reduce fire, stop bleeding and remove blood stasis, so it can be used as medicine. But as a medicinal material, it has strict indications, compatibility requirements and dosage. However, there is no medical basis for long-term use of urine as a dietary health care product.

Urine used as medicine in Chinese medicine is mainly "children's urine". Because the child's renal function is not fully developed, there will be protein in the urine, which can be extracted as the dosage formula of medicine, especially for infants who have not eaten complementary food, and there will be few toxins in the urine. At the same time, urine is mainly used as the drug guide, and the decoction is washed into urine. This method is not directly taking urine to drink, as the Urology Association said.

From the point of view of Chinese medicine, I don't agree with this practice of drinking urine directly for health preservation. Whether urine is effective as a health care product requires a lot of long-term clinical trials, and there is no clinical basis at present. Even if it is proved to be effective for individuals, it may not be valuable for groups and cannot be blindly followed.

People's Daily Online-Drinking Urine Treatment Expert: Urine contains a lot of metabolic waste.