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. 
Propionat 100 is a used by athletes and bodybuilders in bulking phases of training. The drug offers increase in energy and a better appetite. Propionat 100 offers lower water retention, aromatizes quite easily and it promotes nitrogen retention in the muscle. Propionat 100 by Dragon Pharma can be stacked with antiestrogens as Nolvadex and Proviron and to offer bulking effects it can be combined with Dianabol , Anadrol or Deca-Durabolin . It is generally administered at least every third day.