What is Trenbolone?

Trenbolone is a anabolic steroid which was developed by a French laboratory. It is very popular in the field of bodybuilding. It's success is due to the rapidity of the results obtained. It allows you to pack on lean muscle mass in a few weeks, and also to significantly increase physical performance.

Commonly called “Tren”, this steroid is recognized as the most effective and the most recommended to achieve your mass gain goals. Some countries like France have banned its sale and consumption. It is one of the illicit substances sought by anti-doping controls carried out during major competitions. The reason is simple: in addition to creating unfair competition between participants, it seriously harms the health of athletes. See WADA Prohibited 2022 for more information on prohibited substances.

On the anabolic steroid market, there are two variants:

  • Trenbolone enanthate;
  • Trenbolone acetate.

The above two products have some differences, in particular on the lifespan of the substance in the body. To estimate live concentration of a particular compound during a cycle please visit Steroid Cycle Plotter.

History of Trenbolone

Developed by the French laboratory Roussel-UCLAF in 1967, Trenbolone acetate began to be used for intensive cattle farming from the 1970s under the name Finajet in England and Finaject in France. With effects close to nandrolone, this product was clearly not intended for medical use for humans unlike other anabolic steroids. It is assumed that its effects will be useful to treat pathologies that cause serious problems of weight loss, muscle atrophy, androgen deficiency or anemia. Care for osteoporosis is an avenue that cannot be ruled out.

For its "veterinary" uses, Trenbolone acetate took the name of Finaplix. His goal was therefore to make profitable and maximize the production of these animals and to make the oxen more massive before taking them to the slaughterhouse. The use of these products on cattle is not as regulated as are drugs for humans, which is why traces of these products are found in meat all over the world. Continuous subcutaneous injections are carried out on the animal at the level of the lower part of the ear using a gun specially dedicated to doping these animals.

It wasn't until the 1980s that Trenbolone Acetate really became popular in the bodybuilding world.

Banned in Europe, the traffic was such that large quantities of Trenbolone are transported from the United States and Canada to Europe. In 1987, this traffic was suspended after the Hoeschst-Roussel laboratory stopped the production of this product. It is still accessible worldwide for doping. For decades, Trenbolone Acetate has continued to be used in bodybuilding to improve muscle definition, especially for competition.

The effects of Trenbolone

Trenbolone is very popular with bodybuilders because it allows you to achieve many goals very quickly:

  • A marked improvement in the extraction of your nutrients which strengthens the capacities of your body;
  • The increase in type 1 insulin to consolidate bones, cartilage, but also muscles;
  • Better oxygenation of muscle tissue by increasing red blood cells in the blood;
  • Increasing your endurance and strength;
  • Reducing your recovery time and fatigue after intense training;
  • Better muscle retention.

Dangers and side effects

Many bodybuilders are tempted by this product to continue to gain volume at times when they stagnate. It's a quick and effective solution to their current problem! But even if it's simple and you can find people on the forums who recommend it, that doesn't mean it's the right one in the long term! The adverse health consequences of taking anabolic steroids remain significant. I remind you of the main side effects and the dangers to which you expose yourself if you consume it:

Estrogen dysregulation

One of the first elements to distinguish the athlete consuming Trenbolone is the size of his nipples. Followers of this substance see their mammary glands develop. This phenomenon is called gynecomastia. To overcome this problem, some do not hesitate to take anti-estrogen supplements.

The appearance of androgenism

It most often results in hair loss and very pronounced skin problems. In female bodybuilders, hirsutism may appear through the significant production of the male hormone with a change in the voice which becomes more serious, the development of virilization with the disappearance of menstrual periods, etc.

Effects on your heart

Taking anabolic steroids leads to overactivity of the heart. This organ is strongly solicited by the substance and by your training program. Tired, he can become fragile. Cardiac dysfunctions with rhythm problems or weakening of your arteries and veins can appear. You may also develop other heart conditions or high blood pressure.

The reduction or even the cessation of the natural production of testosterone

Trenbolone is composed of synthesized testosterone which will be inoculated into the body. In response to this influx, the hypothalamus will order your body to reduce the production of natural testosterone to maintain a constant level. When stopping the steroid, your body will no longer secrete the same quantities of this hormone and disturbances will occur. Be careful, the longer you take steroids, the more irreversible their effects will become. This inhibition causes various changes in your sexual behavior with a decrease in your libido, erectile dysfunction and fertility problems.

Changing your natural behavior

Aggression, irritability are the first symptoms revealing the habitual use of Trenbolone. Accompanied by sleep disorders and migraines, they can increase and lead the subject to cut himself off from his social life. A vicious circle appears and it will be difficult for you to get out of it if you suffer from addiction to the substance. One problem leading to another, depression can often stalk you.

  • Skin  : During the use of Trenbolone Acetate, the skin changes appearance. The appearance of acne, oilier skin and a change in texture are to be expected. The skin is considered, rightly, as the reflection of our health. Bad skin is often the signal that our body is having a problem.
  • Hairiness  : still a delicate subject. This steroid can cause significant hair loss on the top of the skull and at the temples (baldness) especially for people who have predispositions. In addition, there is also more hair growth on the chin and chest (for women too).
  • Voice  : the timbre of the voice changes to become more serious (for women too).


Trenbolone Acetate also has a bad impact on mental health:

  • Sleep : hormonal imbalance and all its effects on the body can cause insomnia and sleep problems such as nocturnal awakenings, night sweats or nights without deep sleep.
  • Mood : she is also affected by the consumption of her anabolic steroids. It will not be uncommon to observe an increase in anxiety disorders, an increase in depression and more generally mood disorders.
  • Desire and libido : Many practitioners who have consumed this anabolic steroid have noted an increase in their libido. Sexual desires are therefore increased during the Trenbolone cycle.

Personally i don't advocate usage of any anabolic steroids without being placed under the Supervision of a Licensed Medical Practitioner.

The benefits of Trenbolone

If Trenbolone has endured so long, it is thanks to its incredible effects on the musculature. Many bodybuilders rave about this powerful product which has allowed them to achieve their bodybuilding goals with greater ease.

First of all, it should be noted that this drug is very versatile, so it can be intended for cutting. During periods of dryness, people who wish to reduce their fat mass rate in order to shape their muscles as well as possible consume fat burners to accelerate the fat loss process.Trenbolone.svg

So, one of the main advantages of Trenbolone is that it does not retain water in the body. Indeed, what blocks to display an Apollonian physique, it is the retention of water which "swells" the surface of the skin. Rest assured: water retention is unsightly at high levels of competition in bodybuilding, but which, from a medical point of view, is completely natural.

Always with the objective of drying, Trenbolone acetate promotes lipolysis. Lipolysis corresponds to our body's ability to burn fat (lipids). This will be all the more useful during dry periods as we have just described to you.

In addition, like many other anabolic steroids, Trenbolone can improve sports performance in the gym . It optimizes the oxygenation of the body to facilitate its evolution during the session and also outside the session. This better oxygenation is characterized by a greater production of red blood cells in the body, which is intended to improve recovery and endurance. In the same way, this anabolic steroid will increase the strength of the athlete to allow him to do more intense sessions and thus develop more muscles.

Finally, one of the advantages of Trenbolone is what constitutes it: an anabolic product. Therefore, it will promote the development of muscle cells (fibers, etc.) to improve your mass gain. As it is largely a fat burner, it will improve lean muscle retention. You will have understood it: Trenbolone will above all be intended for people who wish to compete and who want an ultra-dry physique with large striated muscles.

Trenbolone Acetate Dosage and Cycle

First of all, we want to remind you that Trenbolone was not intended for medical use for humans. Therefore, there are no prescribing doses that can be relied upon.

The product is administered by injection or orally.

However, after decades of empirical doping testing by many bodybuilders, the weekly dose for a Trenbolone injection cycle is found to be between 100 and 300 mg . It will take between two and three doses per week. Its half-life is estimated between 5 and 7 days.

As for the oral Trenbolone cycle, it will take between 100 and 200 mg per day.

Whether injection or oral, a cycle of Trenbolone lasts between 6 and 8 weeks. Some athletes who dope have done 4-week cycles and have had some pretty amazing results. Since each individual is different, we select between six and eight weeks for best results and to limit the risk of impact on liver health. This is the "golden" middle ground.

Trenbolone can be combined with other anabolic steroids depending on the objectives that have been set: Winstrol, Anadrol, Deca Durabolin, ...

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