Testosterone Phenylpropionate


Testosterone phenylpropionate is a form of the male hormone testosterone.

Chemical Name: 4-androsten-3-on-17beta-ol y 17beta-hydroxy-androst-4-en-3-one

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Testosterone Phenylpropionate

Testosterone is a form of the male hormone testosterone. Similar to testosterone propionate when applied the phenylpropionate ester is separated from the testosterone generating a quicker release compared to other testosterones. Due to having such a short half life, low dose applications are required every 3 to 4 days maximum to maintain the hormone levels and avoid fluctuations. The difference between testosterone phenylpropionate and propionate is that it causes less pain when applied. This type of testosterone is uncommon to find on its own. Generally it is found within the sustanon mix which is made of four different testosterones.

Chemical Characteristics Testosterone Phenylpropionate

Testosterone is a modified form of the hormone testosterone. It is an ester of a carboxylic acid-phenylpropionic acid bound to the 17-beta hydroxyl group. These modified forms of testosterone are not as polarized as the free testosterone which generates slow absorption from the injection site. Once the testosterone phenylpropionate is in the bloodstream, the phenylpropionate ester is separated from the testosterone making it free and active. This type of esterified steroid is designed to prolong the effects of the testosterone in the body, requiring less applications compared to other steroids that are not esterified. Testosterone phenylpropionate has a half life of approximately 4 days

Side Effects

All raw powder testosterone have the ability to aromatize in the body due to the action of an enzyme called aromatase, this is also responsible for the conversion of testosterone into estrogen. In comparison to other testosterone types that have a longer half life, testosterone phenylpropionate has a shorter half life. It does not cause hormone levels to fluctuate; although the application is more frequent there is less risk for adverse side effects.

It is essential to use antiestrogens to control the estrogen levels in the bloodstream decreasing the risk of gynecomastia, water retention and body fat gain. These types of products have no hepatotoxic effects in comparison to oral substances. Like all other androgenic anabolic steroids, testosterone has the ability to reduce the production of endogenous testosterone.

Prolonged use could cause hypogonadism which could cause an excessive amount of muscle loss and an imbalance of anabolic and catabolic hormones at the termination of testosterone treatment. It is important to complete a proper post cycle therapy to stimulate the production of endogenous testosterone to avoid losing significant muscle mass in a short period of time.

Raw Material

Testosterone is a fine white powder, easy to compress, stable in normal environmental conditions and has a low melting point compared to other substances.

Finished Product Testosterone Phenylpropionate

Testosterone is an oil base that is generally a very light yellow to transparent in colour. In high concentrations testosterone phenylpropionate does not crystallize within the vial. The viscosity in comparison to other substances is higher, it is uncommonly found on its own. Generally it is found amongst the four testosterones used to make sustanon.

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Additional information

Weight1 kg