Trenanthate (Trenbolone Enanthate) can produce all common androgenic side effects. It’s also important to note that many users report uncontrollable night sweats while using this substance. To help combat this problem, it’s recommended that users try to keep blood levels and stable as possible, and stay in a reasonable dosage range. Although Trenbolone Enanthate can’t convert to estrogen, some users do experience problems with progesterone related side effects, similar to those seen with products such as Deca Durabolin or Durabolin. Users sensitive to these issues may prefer to add Cabaser to their cycles.
Heavy consumption of the essential amino acid lysine (as indicated in the treatment of cold sores) has allegedly shown false positives in some and was cited by American shotputter C. J. Hunter as the reason for his positive test, though in 2004 he admitted to a federal grand jury that he had injected nandrolone.  A possible cause of incorrect urine test results is the presence of metabolites from other AAS, though modern urinalysis can usually determine the exact steroid used by analyzing the ratio of the two remaining nandrolone metabolites. As a result of the numerous overturned verdicts, the testing procedure was reviewed by UK Sport . On October 5, 2007, three-time Olympic gold medalist for track and field Marion Jones admitted to use of the drug, and was sentenced to six months in jail for lying to a federal grand jury in 2000.