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Mesterolone, sold under the brand name Proviron among others, is an androgen and anabolic steroid (AAS) medication which is used mainly in the treatment of low testosterone levels. [ 2 ] [ 3 ] It has also been used to treat male infertility , although this use is controversial.
Mestanolone was used as a doping agent in athletes competing in the Olympics from East Germany due to a state-sponsored doping program in the 1970s and 1980s. [4] Its value is said to have been less as a muscle-builder and more as an androgen in the central nervous system and neuromuscular interaction , improving speed, strength, aggression ...
In accordance, DHT, mestanolone (17α-methyl-DHT), and mesterolone (1α-methyl-DHT) are all described as very poorly anabolic due to inactivation by 3α-HSD in skeletal muscle, whereas other DHT derivatives with other structural features like metenolone, oxandrolone, oxymetholone, drostanolone, and stanozolol are all poor substrates for 3α-HSD ...
This is a complete list of androgens/anabolic steroids (AAS) and formulations that are approved by the FDA Tooltip Food and Drug Administration and available in the United States.
[6] Despite these warnings, use of anabolic steroids began in competition bodybuilding, in track and field events, such as the shot put, and in other sports where performance depended on muscle strength or speed of recovery during training. [8] At the end of the 1960s, Science published a study on the effects of Dianabol on athletes.
Metenolone, or methenolone, is an androgen and anabolic steroid (AAS) which is used in the form of esters such as metenolone acetate (brand name Primobolan, Nibal) and metenolone enanthate (brand name Primobolan Depot, Nibal Injection).
In 2014, Czech bodybuilder Petr Soukup received a lifetime ban after a positive test for clenbuterol along with methenolone, mesterolone, methamphetamine, oxandrolone, stanozolol, nandrolone, fluoxymesterone, CDMT ("Oral Turinabol"), and metandienone. [107]
CDMT was the key steroid administered to approximately ten thousand East German athletes as part of a secret doping program, known as State Plan Topic 14.25, often without them knowing the nature of the "vitamins" they were forced to take. The program remained in place from about 1968 until the collapse of the German Democratic Republic in 1989.