Metribolone (Methyltrienolone) powder

Methyltrienolone (methyltrienolone aka R1881) is a potent, non-aromatizable androgen that is structurally
similar to trenbolone and has been referred to as "oral tren." Methyltrienolone binds strongly to the
androgen receptor (AR) and is a more potent agonist (activator) of the androgen receptor than is DHT.
17a-methyltrienolone is listed at 30,000 times more anabolic than methyltestosterone according to Julius
Vida in "Androgens and Anabolic Agents: Chemistry and Pharmacology." Effective dosages begin at only
25mcg.

Steroid experts William Llewellyn and Patrick Arnold have each called methyltrienolone one of the "most
powerful" anabolic steroids ever created. It is also one of the most hepatotoxic androgens ever produced.
Originally developed by Roussell-UCLAF during the 1960s, the hepatoxicity of Metribolo prevented its
commercial release. Bill Roberts likened the toxicity of methyltrienolone to that of taking high dosages
of Anadrol combined with high dosages of Halotestin concurrently.

According to Patrick Arnold, several athletes used methyltrienolone in the 1990s and were able to
successfully pass doping controls looking for methyltrienolone due to the very small quantities of the

steroid required for performance enhancing effects. He was somewhat surprised that methyltrienolone was detected by drug testers in the Greek steroid scandal suggesting that anti-doping tests have improved for the substance; 11 Greek weighlifters and 4 Greek track and field athletes tested positive for
methyltrienolone prior to the 2008 Beijing Olympic Games.


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