Question #343: TCM Article on Urine Therapy

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"Urine is not a dirty and toxic substance rejected by the body. Urine is a by-product of blood filtration, not waste filtration. Medically it is referred to as "plasma ultrafiltrate". It is a purified derivative of the blood itself, made by the kidneys..."

https://ichikung.com/urinotherapy

Is any of this true at all?