Test P 100mg (Testosterone Propionate) 1 Vial

Generic Name: Testosterone Propionate
Manufacturer: A-Tech Labs
Compared to other esters of testosterone, Testosterone Propionate is outstanding in that it acts quicker. It’s highly efficient in ensuring significant gains in mass and power. Due to its special capabilities in muscle hardening, bodybuilders prefer using this hormone during the cutting cycles and dieting.

$129.00 $179.00

Testosterone Propionate Injection

​​​​​​​​​​​​​​Product and Laboratory: TEST P100 (Testosterone Propionate) by A-Tech Labs

  • Effects: Rapid raw muscle mass increase, rapid strength increase
  • Ingredients: Testosterone (Ester: Propionate)
  • Form: Injection
  • Concentration: 100 mg/ml
  • Presentation: 10ml vial / box
  • Dosage: 400-1,000 mg per week for 12-16 weeks (or longer)
    Male Beginners Intermediate Advanced Female
    400-600mg per week for 12-16 weeks 600-800mg per week for 12-16 weeks 800-1,000mgper week for 12-16 weeks N/A
  • Protection during treatment: AnaGen (Arimidex)
  • Pct post cycle therapy: 1 Clomid and 1 Nolvadex per day for 20 days
  • Stack: Can be used with any bulking agent and minimal when cutting for hormonal protection.
  • Level: Suitable for all users

What are the effects of taking testosterone propionate?

TEST P100 is highly recommended as the base of both mass building and cutting cycles. Testosterone promotes health and well-being through enhanced libido, energy, immunity, increased fat loss, gaining and maintaining lean muscle mass, preventing osteoporosis, and possible protection against heart disease. It combines excellently with many other compounds, both oral and injectable, as part of a potent stack.

It is a fast-release ester with a half-life of around 1-2 days, excellent for shorter cycles and minimizing bloat.

You can buy Testosterone Propionate online safely with a credit card, and if you choose Bitcoin in the checkout process, you will get a 30% discount.


Testosterone propionate is often used for muscle mass building. The original medical indication is for treating androgen deficiency in male adults, either in hypogonadism or andropause.6 Nowadays, testosterone propionate is indicated for its use in heifers to stimulate maximal growth.5


The administration of testosterone propionate can induce the production of proteins related to male sexual development.7 On the other hand, testosterone itself presents an estrogenic activity due to interaction with the aromatase enzyme. Thus the continuous administration of testosterone propionate may cause the elevation of plasma estrogen.6 Clinical trials showed as well a decrease in plasma LH after testosterone propionate administration.1

Mechanism of action

The effects of testosterone in humans and other vertebrates occur by way of two main mechanisms: by activation of the androgen receptor (directly or as DHT) and by conversion to estradiol and activation of certain estrogen receptors. Free testosterone (T) is transported into the cytoplasm of target tissue cells, where it can bind to the androgen receptor or be reduced to 5alpha-dihydrotestosterone (DHT) cytoplasmic enzyme 5alpha-reductase. The binding areas are called hormone response elements (HREs) and influence the transcriptional activity of certain genes, producing the androgen effects.


Testosterone propionate presents a slow absorption from the intramuscular site of administration. This slow absorption is due to the presence of the less polar ester group.7 The absorption rate of testosterone propionate generates a frequent injection requirement compared with testosterone enanthate or testosterone cypionate. It presents absorption parameters of AUC and residence time of 180-210 ng h/ml and 40-60 h, respectively.1

Volume of distribution

The registered volume of distribution for testosterone propionate is in the range of 75-120 L/kg.1

Protein binding

Even 98% of testosterone in plasma is bound to sex hormone-binding globulin, and 2% remains unbound or bound to albumin and other proteins.3


As all testosterone esters, testosterone propionate is rapidly hydrolyzed into free testosterone in plasma.1 Testosterone is metabolized to 17-keto steroids through two different pathways. The major active metabolites are estradiol and dihydrotestosterone (DHT).7

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Route of elimination

About 90% of a dose of testosterone given intramuscularly is excreted in the urine as glucuronic and sulfuric acid conjugates of testosterone and its metabolites. Approximately 6% of a dose is excreted in the feces from the rest of the dose, mostly in the unconjugated form.7


Testosterone propionate presents the shortest half-life of all testosterone esters, being of 4.5 days. This characteristic produces a higher administration requirement.4


Testosterone propionate has a reduced clearance rate compared to testosterone.7 The reported clearance rate is approximately 2000 ml/min.1


Reports have shown a potential stimulation of cancerous tissue growth. The potential testosterone propionate accumulation in the body produces a high risk of edema secondary to water and sodium retention.7



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