Superdrol is a decent anabolic steroid, but we would not call it superior or even “Super” as its marketing campaign once implied. What truly makes this steroid special was a group of men who recognized a hole in the steroid law and were able to capitalize on it, and in turn, make a nice profit. Due to the marketing and ease of purchase that existed for a long time, many athletes fell in love with this steroid, and it is a fine steroid, but there’s nothing magical or superior going on. Superdrol is a very basic anabolic steroid.
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.