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Methyltrienolone increases the aggressiveness and therefore the motivation of the athlet to go to his limits in training. It also decreases the regeneration time. An athlete needs shorter breaks and can train more often. Because methyltrienolone can not be converted into estrogen by the aromatase enzyme due to its structure in the body, unwanted water storage is eliminated. For this reason, methyltrienolone is used for competition preparation or diet.

Methyltrienolone is an orally applicable steroid, which was already developed in the 1960s for use in animal and cell experiments. The synthesis was first described in 1963.

It is often referred to as methyltrenbolone because it is structurally analogous to the steroid trenbolone, but has a methyl group more.

It has not been developed until the market is mature in human medicine, since it has too strong side effects (especially liver impairment – methyltrienolone is considered one of the most lethal steroids), which led to the rapid breakdown of test series in humans. In the bodybuilding scene, however, it is known.

The strong effect of methyltrienolone is due to the fact that it is not bound by albumin or SHBG (sex hormone-binding globulin) in the body. For comparison, albumin and SHBG bind in the body between 96% and 98% of the body’s testosterone. As long as the testosterone is in bound form, it is not active.
Since methyltrienolone can not be bound, it is 100% active.

Doping information:

Methyltrienolone was first detected in 2008 by a sportsman. Basically, it is easy to detect. However, it is possible for experts to modify methyltrienolone in such a way that it is very difficult to detect. It should be noted that the doping effect is not taken into account.

Side effects:

Back-up of bile acid in the liver, liver enzymes, blood in the urine, increase of aggressiveness, acne, hair growth, hair loss, sleep disorders, libido overload, excessive sweating, gynecomastia

Application / dosage:

From bodybuilder circles was reported separately from dosages between 5 – 10 mg.

The dosage information given here is not intended as a dosage recommendation or medical advice. These are statements by bodybuilders who have used or used these active ingredients. The dosages should never be regarded as generally valid. If you are using the idea of using steroids or similar, ask a doctor or pharmacist.

Black market prices / availability:

Methyltrienolone is very rarely available on the black market. There are no current prices.


Metribolone, methyltrenbolone, methyltrenbolones, M3, R1881, R-1881, metribolonum

Trade Name / Manufacturer:

MethylTrenbolon Spray – XC / Xclusive Med (U-Lab)

Chemical information:Methyltrienolon - Methyltrienolone - Molekularformel

Molecular formula: C19H24O2
Molecular weight: 284,393 g / mol
Monoisotopic mass: 284.177643 Da

(17β) -17-hydroxy-17-methylestra-4,9,11-triene-3-one