Steroids: Genobol Norbolethone is a steroid that is very similar to nilevar but instead of the standard methyl at position C-18 it instead has an ethyl group in this location. As a derivative of nandrolone this steroid is progestational but the addition of the ethyl group at C-18 adds to the already high progestational activity of nilevar making norbolethone a strong binder of the progesterone receptor. Norbolethone is also a bit more toxic to the liver than nilevar 1 . Norbolethone probably undergoes 5-alpha reduction to a less active metabolite in DHT target tissues and aromatizes in small quantities to estrogen derivatives. The anabolic to androgenic ratio for this steroid is very favorable and suggests that norbolethone is significantly stronger than nilevar in both its anabolic and androgenic effects. In fact, using norethandrolone as the standard, norbolethone is shown to be eight times as anabolic and three times as androgenic as norethandrolone. Norbolethone was originally developed and marketed by Wyeth under the trade name Genabol and was investigated for use in children with stunted growth at doses up to mg per day 2,3 . It was not used widely by athletes until recently when it was used to evade drug tests due to its lack of detectability. When its use was discovered, norbolethone was used as a starting point in developing THG. Norbolethone delivers results similar to nandrolone with bloating and mass gains with less strength gains. Suppression of natural testosterone levels would be severe with norbolethone.
The Telekom Affair – In May 2007, several former riders admitted to using banned substances (including EPO ) while riding for the team in the mid-1990s, including Erik Zabel , Rolf Aldag , Brian Holm ,  Bjarne Riis ,  Bert Dietz , Udo Bölts and Christian Henn including the seasons in which Riis and Jan Ullrich won the Tour de France.  Team doctors Andreas Schmid and Lothar Heinrich also confessed to participating and administering banned substances. The latter was Team Telekom's sporting director until 3 May 2007, when he was suspended following allegations published in former team member Jef d'Hont 's book.