Women may find that other shorter acting esters are more manageable than longer acting such as some of those found in Sustanon 250. This is due to the fact that the fast acting esters can be controlled easier and that the dosing and administration of the compound can be quickly altered if negative side effects become overly burdensome. With longer acting esters these adjustments are much more difficult to make rapidly and side effects could become more pronounced and/or exaggerated. For this reason, females who use testosterone may want to at least begin with shorter acting esters if they experiment with testosterone.
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 . Hunter as the reason for his positive test, though in 2004 he admitted to a federal grand jury that he had injected Nandrolone. [ 1 ] A final possible cause of incorrect urine test results is the presence of metabolites from other anabolic steroids, though modern urinalysis can 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, five-time gold medalist for track and field Marion Jones was caught, when she admitted to taking it, and was sentenced to six months jail for lying to a federal grand jury in 2000. [ 2 ] [ 3 ]