
Originally Posted by
Atomini
Tren doesn't put stress on the kidneys. The reason why your urine is a darker more orange/rust-ish color on trenbolone is because those are oxidized metabolites of trenbolone which are excreted in urine and is often mistaken for blood. After Schänzer (Clin Chem 1996; 42(7): 1001-1020, Metabolism of anabolic androgenic steroids) trenbolone and 17epi-trenbolone are both excreted (in urine) as conjugates that can be hydrolyzed with beta-glucuronidase. This implies that trenbolone leaves the body as beta-glucuronides or sulfates, which means mostly non metabolized. That is why you get a darker urine on trenbolone. It doesn't have anything to do with the kidneys.