99%Purity Roids Powder Metribolone(Methyl Trenbolone) 965-93-5
|Appearance||Yellow or light yellow crystalline powder|
|Product uses||is one of the best steroids, muscle outbreak. Is a top muscles
Tip: collocation to protect liver products are used together,
guarantee the liver's health!
|storage||shading, confined preservation.|
Product History :
1. Methyltrienolone was first described in 1965.627 It was
immediately identified as an extremely potent anabolic agent, far
more potent than the commercially available agents of the time. In
spite of its high relative activity, however, methyltrienolone has
seen very limited use in humans. It was used clinically during the
late 1960's and early '70's, most notably in the treatment of
advanced breast cancer. Here, its exceedingly strong
anabolic/androgenic action helps the drug counter the local effects
of endogenous estrogens, lending it some efficacy for slowing or
even regressing tumor growth. Such application was not long lived,
however, as more realistic evaluations of the drug's toxicity soon
led to its abandonment in human medicine.
2. By the mid-1970's, methyltrienolone was becoming an accepted
standard in non-human research studies, particularly those
pertaining to the study of the androgen receptor activity. For this
purpose the agent is very well suited. Its sheer potency and
resistance to serum-binding proteins makes it an excellent in-vitro
receptor-binding standard to compare other agents to. Being so
resistant to metabolism, active methyltrienolone metabolites are
also not going to greatly interfere with the results of most
experiments. Body tissues can metabolize most steroids fairly
easily, which means that even incubation studies can be complicated
with the question of what is causing a particular effect, the
steroid or one of its unidentified metabolites.
1. Metribolone (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.
2. Studies have shown that taking an oral anabolic steroid with
food may decrease its bioavailability.630 This is caused by the
fat-soluble nature of steroid hormones, which can allow some of the
drug to dissolve with undigested dietary fat, reducing its
absorption from the gastrointestinal tract. For maximum
utilization, methyltrienolone should be taken on an empty stomach
|Hot Selling Products||CAS No.|
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