Trenbolone (also known under the brand names Parabolan, Tren, Finaject, Finaplex) is a powerful anabolic steroid used in the past in veterinary medicine to increase muscle mass and appetite in livestock. To increase the duration of action, Trenbolone is not used in its original form, as a rule, esterified derivatives are used: trenbolone acetate (with the shortest duration of action), trenbolone enanthate and trenbolone cyclohexylmethyl carbonate and hexahydrobenzyl carbonate. After injection into the muscle, trenbolone esters are gradually decomposed by plasma lipase, providing a long-term intake of the active substance into the blood. It has a powerful anabolic effect, but has many side effects, so it is not the best choice.

Trenbolone acetate is one of the most popular forms of the drug (brand names: Trenbol-100, Finaplix, Finaplex, Finaject, Finajet). Trenbolone acetate has a short half-life, so it is injected every day. The effective dose is approximately 50 mg daily or 100 mg every other day.

Trenbolone cyclohexylmethyl carbonate or trenbolone hexahydrobenzyl carbonate – Parabolan trademark, has a long action – up to one and a half weeks. For a long time, trenbolone cyclohexyl methyl carbonate and hexahydrobenzyl carbonate were not on the market, and all existing drugs under the brand name Parabolan were fakes. Currently, the situation with a large number of fakes persists, but the official version has been released – Parabolan from Balkan Pharm (Moldova). Injections are made once a week, or once every 10 days. An effective dose is 300 mg per week.

Trenbolone enanthate – the form of the drug is similar in pharmacological properties to the previous one. Trenbolone enanthate has a long period of action – about 10 days. Injections are performed 1-2 times a week. An effective dose is 300 mg per week.