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The drug is a synthetic androgen and anabolic steroid and hence is an agonist of the androgen receptor (AR), the biological target of androgens like testosterone and dihydrotestosterone (DHT). [ 6 ] [ 8 ] It has moderate anabolic effects and weak androgenic effects, as well as no estrogenic effects or risk of liver damage .
Metandienone, also known as 17α-methyl-δ 1-testosterone or as 17α-methylandrost-1,4-dien-17β-ol-3-one, is a synthetic androstane steroid and a 17α-alkylated derivative of testosterone. [7] It is a modification of testosterone with a methyl group at the C17α position and an additional double bond between the C1 and C2 positions. [ 7 ]
As such, the distinction between the terms anabolic steroid and androgen is questionable, and this is the basis for the revised and more recent term anabolic–androgenic steroid (AAS). [70] [75] [218] David Handelsman has criticized terminology and understanding surrounding AAS in many publications.
Nandrolone decanoate, or nandrolone 17β-decanoate, is a synthetic estrane steroid and a derivative of testosterone. [ 8 ] [ 9 ] It is an androgen ester ; specifically, it is the C17β decylate (decanoate) ester of nandrolone (19-nortestosterone), which itself is the 19- demethylated analogue of testosterone.
They are among the most widely used anabolic steroid worldwide. [8] In addition to their medical use, nandrolone esters are used to improve physique and performance, and are said to be the most widely used anabolic steroid for such purposes. [8] [17] The drugs are controlled substances in many countries and so non-medical use is generally ...
The medication is a naturally occurring androgen and anabolic steroid and hence is an agonist of the androgen receptor (AR), the biological target of androgens like testosterone and DHT. [2] [6] Androstanolone was discovered in 1935 and was introduced for medical use in 1953. [2] [7] [8] [9] It is used mostly in France and Belgium.
The drug is a synthetic androgen and anabolic steroid and hence is an agonist of the androgen receptor (AR), the biological target of androgens like testosterone and dihydrotestosterone (DHT). [ 5 ] [ 7 ] It has moderate anabolic effects and weak androgenic effects, as well as no estrogenic effects or risk of liver damage .
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).