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Anabolic steroids, also known as anabolic-androgenic steroids (AAS), are a class of drugs that are structurally related to testosterone, the main male sex hormone, and produce effects by binding to the androgen receptor (AR). Anabolic steroids have a number of medical uses, [ 1 ] but are also used by athletes to increase muscle size, strength ...
Methyltestosterone, sold under the brand names Android, Metandren, and Testred among others, is an androgen and anabolic steroid (AAS) medication which is used in the treatment of low testosterone levels in men, delayed puberty in boys, at low doses as a component of menopausal hormone therapy for menopausal symptoms like hot flashes, osteoporosis, and low sexual desire in women, and to treat ...
Selective androgen receptor modulators (SARMs) are a class of drugs that selectively activate the androgen receptor in specific tissues, promoting muscle and bone growth while having less effect on male reproductive tissues like the prostate gland. Non-selective steroidal drugs, called anabolic androgenic steroids (AAS), have been used for ...
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). [2][3][4][5][6] Metenolone esters are used mainly in the treatment of anemia due to bone marrow failure. [7]
The pharmacology of testosterone, an androgen and anabolic steroid (AAS) medication and naturally occurring steroid hormone, concerns its pharmacodynamics, pharmacokinetics, and various routes of administration. Testosterone is a naturally occurring and bioidentical AAS, or an agonist of the androgen receptor, the biological target of androgens ...
Performance-enhancing substance. Performance-enhancing substances, also known as performance-enhancing drugs (PEDs), [1] are substances that are used to improve any form of activity performance in humans. Many substances, such as anabolic steroids, can be used to improve athletic performance and build muscle, which in most cases is considered ...
The drug is a prodrug of testosterone, the biological ligand of the androgen receptor (AR) and hence is an androgen and anabolic steroid. [16] [11] It has strong androgenic effects and moderate anabolic effects, which make it useful for producing masculinization and suitable for androgen replacement therapy. [11]
A propyl group (e.g., topterone, rosterolone) or cyanomethyl group (e.g., dienogest) produces AR antagonist activity. Addition of substituents at the C16 position can convert the steroid into an antiandrogen. Examples: oxendolone, metogest. Attachment of esters at the C3 and/or C17β hydroxyl groups confers increased lipophilicity and hence ...