Also known as
TP
The abbreviation TP refers to testosterone propionate, an injectable anabolic steroid. It is the short-ester form of testosterone, which influences how often it must be administered. PoseidonRX lists two products under this name: one from Prime and one from Magnus. Both contain 250 mg per 10 ml vial. Athletes using TP typically inject it at a consistent interval. Because it is a 17-beta-hydroxylated hormone, it does not require the same caution about liver strain that applies to some oral agents. Buyers should verify the specific manufacturer and price before ordering.
Product Distinctions
PoseidonRX offers two versions of testosterone propionate. The Prime-branded and Magnus-branded options are both 10 ml vials with a concentration of 25 mg/ml, meaning each contains 250 mg. There is no difference in the active compound between them; only the manufacturer varies. Users selecting a product should consider the source and any personal preference for that brand. The short ester means it must be dosed more frequently than longer-acting testosterone forms to maintain stable blood levels.
Safety Considerations
TP is a testosterone-based anabolic steroid. It should be used with appropriate medical oversight, and users must monitor relevant blood parameters during therapy. The short half-life of the propionate ester requires regular dosing to avoid significant fluctuations in hormone levels. Individuals who are sensitive to hormonal effects or who have pre-existing conditions affecting liver function or cardiovascular health should consult a healthcare professional before use. It is recommended that users be at least 21 years old.
Active ingredient
Testosterone Propionate
Anabolic Steroid (Injectable)
Questions & answers
Is TP the same as testosterone?
TP stands for testosterone propionate, which is a specific ester of testosterone. It has the same core hormonal activity but a different ester group, affecting its duration of action.
How often should TP be injected?
Because it is a short-ester compound, TP typically requires injection every other day or daily to maintain consistent blood levels. Users must follow the prescribed dosing schedule.
Does PoseidonRX sell oral forms of testosterone?
PoseidonRX's catalogue includes various oral and injectable steroids, but this page specifically addresses the two available versions of testosterone propionate.