Trenbolone Hexahydrobenzylcarbonate (Parabolan) Characteristics

Trenbolone has other names such as Tren Ace, Tren, or Trenbolone Acetate. Its chemical name is Trenbolone hexahydrobenzylcarbonate, which is why it’s also called Trex Hex. It was originally introduced for human use as trenbolone hexahydrobenzylcarbonate (Parabolan). The hexahydrobenzylcarbonate is an ester added to the steroid that contributed to a longer half-life. It was the only kind of Trenbolone made for humans but only for a short while in the 1990s before it was pulled from the market due to its potential for severe side effects.

As a result, trenbolone hexahydrobenzylcarbonate (Parabolan 100) (source) and other variations of the original have been found for sale, mainly from underground labs. Trenbolone is a veterinary drug used to increase feed efficacy (for increasing muscle bulk or meat) in cattle before slaughter. You won’t find any Trenbolone designed for humans, but clinical studies (on animals) have shown its efficiency over other anabolic steroids. Translating results from animals to humans is something else altogether. There might be a form of Tren that is sold on the market someday for human use, but don’t hold your breath.

What Trenbolone Hexahydrobenzylcarbonate (Parabolan) Is

Trenbolone hexahydrobenzylcarbonate (Parabolan) is derived from its parent, Nandrolone. Both Trenbolone and Nandrolone belong to the category of norandrostenedione/norandrostenediol (called 19-nors) because they don’t have the 19th carbon within their makeup, as do other steroids like testosterone and other anabolic-androgenic steroids, which are merely synthetic variations of testosterone.

Features of Parabolan Trenbolone

Due to its chemical structure, Trenbolone hexahydrobenzylcarbonate (Parabolan) triggers three different features. First, it has an affinity for androgen receptors, which makes it a very strong anabolic steroid. Second, it resists aromatization or conversion from testosterone to estrogen. This is where Trenbolone also differs from Nandrolone (decanoate). Third, Trenbolone increases fat-burning metabolism.

Trenbolone Hexahydrobenzylcarbonate (Parabolan) underwent numerous animal studies from the 1960s through the 1970s. In England, the veterinary drug was sold as Finajet while in France it was sold as Finaject. A company in Germany owned both of those companies and both experimented with adapting these drugs for humans, just like the drug Parabolan but they too were deemed unfit for humans. Today Trenbolone is sold as Finaplix in tablet or pellet form. It is still only designed as a veterinary drug.

Trenbolone is nevertheless very popular with bodybuilders and athletes, due to its potent anabolic qualities. It gives users a chiseled look that bodybuilders and athletes covet. In many cases, Tren A did this without any type of estrogen side effects or water retention. However, the marketing of Tren A for humans did not last long, again due to risks of use.

During the 1980s and 1990s, most anabolic steroids such as Dianabol were no longer in production due to government regulations. However, Trenbolone acetate was allowed in the US as cattle pellets for implantation in livestock. The FDA approved this form of Trenbolone acetate back in the late 1980s.

Underground labs got their hands on the pellets and converted them for human use (still not recommended). They have been available in injection form and transdermal patches. Some bodybuilders and athletes took the pellets orally, again not recommended.

Parabolan/Trenbolone Brands

Numerous pellet brands are available on the market today, all designed for use in animals. Do be aware that these pellets contain ingredients that are bad for you. Some brand names include Finaplix, Revalor, and Synovex. They contain different levels of estrogen stacked with the Trenbolone hexahydrobenzylcarbonate.

Estrogenic effects are not desired by bodybuilders, which can include bloating or gynecomastia, to name just two. Trenbolone created from pellets is done so illegally in order for humans to use it. You will not find a human-grade pharmaceutical that can be bought legally anywhere in the world.

Other Forms of Trenbolone

Trenbolone acetate (Tren A) is a short ester version of Trenbolone, the most popular with bodybuilders and other athletes. You can get it (illegally) in two other forms in addition to Tren A, and they are Trenbolone Hexahydrobenzylcarbonate and Trenbolone Enanthate, which is also known as Tren E.

Tren A is the short ester with a half-life of three days. Tren E has a half-life of seven to ten days. Trenbolone hexahydrobenzylcarbonate (Parabolan) has a half-life of fourteen days. Trenbolone acetate leaves the system much quicker than the other two variants. This is also a desirable feature because Trenbolone is an intermediate to advanced anabolic steroid known to trigger severe side effects. Some bodybuilders suggest that you can stop the cycle quickly if the drug doesn’t agree with your body, which is not possible with Tren E or the third variant of Trenbolone. In those cases, it would take the drug about two weeks or longer to clear your system.

Trenbolone Hexahydrobenzylcarbonate (Parabolan) Dosage

Trenbolone has a reputation for being versatile, as it’s used to bulk up, gain mass, obtain a lean body, cut and burn fat. It has an anabolic and androgenic rating of 500/500, according to bodybuilders; five times the potency of testosterone. You don’t have to take a lot of it to see results. Use Tren to gain muscle mass, but use with caution. As with any steroid, results can be maximized with adequate calorie intake and exercise.

Many steroid users are extremely hesitant to take Trenbolone hexahydrobenzylcarbonate 100mg because of its potency. Trenbolone hexahydrobenzylcarbonate (Parabolan) is indeed harsh and does cause severe side effects and should never be underestimated regardless of how experienced you are with anabolic steroids.


    Trenbolone Hexahydrobenzylcarbonate, more commonly referred to as Parabolan, is a potency androgenic and anabolic steroid with long half-lives that allow less frequent injections compared to other steroids – an advantage used by bodybuilders and athletes during both bulking and cutting cycles to achieve their desired physiques.

  2. What is the medical use of parabolan?

    Parabolan (Trenbolone Hexahydrobenzylcarbonate) was initially used medically as an animal feed supplement to enhance muscle growth and appetite in livestock, although never approved for human use and is no longer widely prescribed today.

  3. What is Tren Hex used for?

    Tren Hex (Trenbolone Hexahydrobenzylcarbonate) is an anabolic steroid commonly used to stimulate muscle growth and appetite in livestock, though humans also take Tren Hex for its muscle-building and fat-burning benefits. Not approved for medical use in humans but widely utilized by bodybuilders and athletes to increase muscle size and burn body fat efficiently.

  4. What are the three types of trenbolone?

    There are three varieties of trenbolone: trenbolone acetate, trenbolone enanthate and trenbolone hexahydrobenzylcarbonate (commonly referred to as parabolan).

  5. How long is Tren half-life?

    The half-life of Trenbolone depends on its ester attachment; Trenbolone acetate typically lasts 48-72 hours while Trenbolone enanthate has an approximate half-life of 5-7 days.

  6. How long do Tren results last?

    Duration of Trenbolone effects will depend on several factors, including dosage, cycle length and individual body chemistry. On average, however, users typically feel its effects several weeks post-use.

  7. What are the side effects of Tren Hex steroid?

    Tren Hex steroids may cause several potential side effects, including acne, oily skin, hair loss, increased body hair growth, aggression, mood swings, insomnia and night sweats; elevated blood pressure; an elevated heart rate; reduced cardiovascular endurance; gynecomastia (enlargement of breast tissue in males); testicular atrophy (shrinkage of testicles); infertility, liver damage and kidney damage are among these.

  8. What are the benefits of Tren Hex?

    Tren Hex (Trenbolone Hexahydrobenzylcarbonate) is an extremely powerful anabolic steroid with many potential advantages for bodybuilders and athletes, including increased muscle mass, strength, and endurance. Furthermore, Tren Hex can reduce body fat while improving recovery times and speeding muscle growth – as well as increase protein synthesis and nitrogen retention leading to faster muscle recovery rates and faster growth rates – it may even boost red blood cell production which will improve oxygenation of muscles for increased athletic performance – however its use should be undertaken cautiously with supervision by medical professionals for maximum effectiveness.

  9. Can Tren damage your heart?

    There is evidence to support Trenbolone (commonly referred to as Tren) having adverse impacts on cardiovascular health. These include raising blood pressure, cholesterol levels and the risk of heart disease. However, individual factors like dosage and duration of use as well as lifestyle habits like diet and exercise could vary widely on its impact; before beginning use it is always wise to consult a healthcare professional first in order to assess potential risks and benefits.

  10. Can I do Tren twice a week?

    The dosage and frequency of Tren use will depend on various factors, including an individual’s experience with steroids, tolerance to Tren, health status and cycle guidelines provided by medical professionals or experienced bodybuilders. While using Tren twice weekly may not be appropriate for everyone and could increase side effect risks; it is advisable to seek advice from healthcare providers prior to beginning any steroid cycle.

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