Oral Turinabol, or 4-chlorodehydromethyltestosterone (often called "OT" or T-bol by athletes) was the most widely used drug for the East German Olympic Doping Program, known as "State Plan 14.25." It was given to roughly ten thousand athletes whose results were meticulously recorded by scientists, coaches, and doctors working for the East German Olympic program. As a result of this, it is one of the most extensively researched Anabolic/Androgenic Steroids ever produced, with regards to it's effects on strength, speed, and athletic training.

Oral Turinabol is one of the few drugs to be in high demand among both athletes as well as bodybuilders, regardless of whether they are on a bulking cycle or a cutting cycle. Athletes who have usedt this drug have reported that it is nearly as good for bulking as D-Anabol, but with much less water retention. Reported weight gain with Oral Turinabol is generally less than experienced with classic oral bulking agents such as D-Anabol or Anadrol (Oxymetholone) , but is much more "dry" and lean. Many have compared the quality of gains experienced with Oral Turinabol to be similar to Oxandrolone, but with more actual weight gain. Oral Turinabol also has the ability to bind to SHBG (Sex Hormone Binding Globulin), and thereby prevent it from attaching itself to free testosterone in the body, and this may actually allow more testosterone to become unbound and available in the body.
 
Male athletes who are using Oral Turinabol as part of a bulking cycle generally combine anywhere from 20-60mgs of Oral Turinabol with some form of testosterone at 200-400mgs per week, as well as a steroid with a strong anabolic component such as Decabolon or Equibolon, at a similar dose. Those wishing to use Oral Turinabol in in a cutting cycle would generally use Testosterone at a dose of 200-400mgs/week along with Primobolon or Trenbolon at 300-400mgs/week. As with most oral steroids, use of Oral Turinabol is generally limited to a roughly 6 week portion of a cycle, even when other compounds in the cycle are continued for longer.