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. 
If you decide to buy Sustanon for the purpose of performance enhancement, in many cases, especially if you live in the . youll be doing so on the black market, and this compound comes with a cost with such a purchase. First and foremost, this is one of if not the most expensive testosterone compounds youll ever find; this is largely due to is extreme popularity. Further, this is without question the most commonly counterfeited testosterone compound youll ever find. In most cases, when counterfeited its still testosterone, but its normally a single large ester testosterone compound and not the precise four ester mixture as described above. For these reasons, if you decide to buy Sustanon 250 , youll need to put in a little extra effort if youre going to find a good price, and more importantly, if youre going to find a quality product. Make no mistake, theres plenty of high quality product at a reasonable and fair rate, but you may need to do a little digging.