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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 ...
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. [2][4][5] It is taken by mouth. [2]
Estrogenic side effects such as gynecomastia and fluid retention can also occur. [1] Case reports of gynecomastia exist. [21] [22] As with other 17α-alkylated steroids, methandienone poses a risk of hepatotoxicity and use over extended periods of time can result in liver damage without appropriate precautions. [1]
Anabolic Steroids. When Arnold ruled the Mr. Olympia stage in the 1970s, steroid use was basic and legal. “You took one or two doses at a time, and the total amount most guys used per week was ...
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 cheating by organized athletic ...
The common side effects of oxymetholone include depression, lethargy, headache, swelling, fast and excessive weight gain, priapism, changes in skin color, urination problems, nausea, vomiting, stomach pain (if taken on an empty stomach), loss of appetite, jaundice, breast swelling in men, feeling restless or excited, insomnia, and diarrhea. [ 15 ]
Nandrolone is an agonist of the AR, the biological target of androgens like testosterone and DHT. Unlike testosterone and certain other anabolic steroids, nandrolone is not potentiated in androgenic tissues like the scalp, skin, and prostate, hence deleterious effects in these tissues are lessened. [22]
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 ...