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 AAS 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. 
With Dianabol there is likewise the probability of exacerbating a male pattern baldness disorder. Delicate people might therefore wish to prevent this drug and select a milder anabolic such as Nandrolone Decanoate (Deca-Durabolin). While Methandienone (Dianabol) does change to a much more potent steroid through interaction with the 5-alpha reductase anzyme (the very same enzyme responsible for changing testosterone to dihydrotestosterone), it has extremely little fondness to do so in the body’s. The androgenic metabolite 5 alpha dihydromethandrostenolone is consequently created only in map amounts at finest. The benefit obtained from Proscar/Propecia would consequently be irrelevant, the medicine serving no genuine objective.