Genesis Test-Prop 100 10 ml vial (100 mg/ml)

Testosteron propionaat

Testosterone propionate is a popular choice among bodybuilders, similar to other formulations like testosterone cypionate and enanthate. The key distinction lies in its rapid onset and shorter duration of action. Unlike its counterparts, testosterone propionate acts swiftly, being released from the injection site within 3-4 days and remaining active in the bloodstream for 24-48 hours, offering a potentially reduced incidence of side effects.

This formulation maintains its potency, exhibiting both mild anabolic and moderate androgenic properties. Users can expect noticeable effects within 3-5 weeks of use; however, no anabolic steroid can yield results in under 3-4 weeks. Caution is advised, as prolonged use of testosterone analogues can lead to side effects, making it essential to limit treatment duration to 4-6 weeks.

Farmacologie

Testosterone plays a vital role in the growth and development of male sex organs and secondary sexual characteristics. It significantly influences the growth of the prostate, testes, and other essential male reproductive structures. Despite being an androgenic hormone, it possesses notable anabolic effects, enhancing protein synthesis and promoting a positive nitrogen balance when paired with a calorie-rich diet.

Additionally, testosterone can mildly stimulate red blood cell production by promoting EPO synthesis from the kidneys, enhancing oxygen-carrying capacity. Prolonged use can inhibit gonadotropin release from the pituitary gland, and excessive dosing may impact spermatogenesis.

Dosering

Administered via intramuscular injection, testosterone propionate’s effects are evident shortly after administration, lasting up to 48-72 hours. Its esterified form allows for enhanced duration of action, commonly found as a clear to light yellow sesame oil suspension. Some athletes experience discomfort or abscesses from injections, hence using smaller volumes and alternating injection sites is advisable.

The recommended starting dose for novice bodybuilders is approximately 50 mg/day, with some opting for 50-100 mg/day. For those mixing testosterone formulations, limiting treatment to 4-6 weeks is crucial for recovery of the hypothalamic-pituitary-gonadal axis. During washout, athletes might consider using Nolvadex (tamoxifen) to mitigate estrogenic side effects.

Indicaties

In certain European countries, testosterone propionate is administered for conditions characterized by testosterone deficiency, including:

• primair hypogonadisme, resulting from testicular injury
• hypogonadism due to pituitary gland malfunction
• vertraagde puberteit
• weight gain in cachetic patients

Long-term therapy is often recommended until secondary sexual characteristics have sufficiently developed.

Duur

Treatment with testosterone propionate varies based on age, sex, diagnosis, and individual response. Injections should always occur in the gluteal muscles, alternating sites to prevent abscesses, while thigh injections are a viable alternative. Dosage should not exceed 100-400 mg monthly to minimize side effects and ensure proper inspection of the product before injection.

Typically clear to yellow, any clumping indicates an expired product. Treatment durations fluctuate between 1-2 months, with storage recommended at room temperature.

Bodybuilders

Many bodybuilders utilize testosterone propionate during the off-season, as its effects manifest gradually over 3-4 weeks. This steroid demonstrates both anabolic and androgenic properties, but its use should be minimized during active sports seasons. While integration with other anabolic hormones like GH/thyroxin is common, bodybuilders must manage water retention and estrogen conversion, often leading to side effects such as gynecomastia.

The typical dosage for enhancing muscle mass is between 25-400 mg/week, with beginners advised to start with low doses to avoid potent side effects. The gradual increase in protein mass and red blood cell production enhances athletic performance during intense training.

Testosterone propionate is preferred by many, yet its availability can be limited. Claims of improved health and exercise performance accompany its usage, promoting a favorable nitrogen balance. Diuretics may be employed to counter excessive water retention, while drugs like Arimidex or Tamoxifen are cycled to prevent breast enlargement.

Vrouwen

All testosterone analogues carry the risk of virilization in females, leading to effects such as deepening voice, excessive hair growth, irregular menstrual cycles, mood changes, and clitoral enlargement. Immediate cessation is recommended at the first signs of these symptoms, as some may not be reversible.

Bijwerkingen

Like all anabolic steroids, testosterone propionate may induce mild, manageable side effects, typically emerging after 2-4 months of use. Common effects include:

• onregelmatige menstruatiecycli
• viriliserende effecten
• stem verdiepen
• clitorisvergroting
• gynaecomastie
• pijnlijke erecties
• hair loss, acne
• waterretentie
• misselijkheid, braken, geelzucht
• leverkanker (zeldzaam)
• mental fluctuations, depression, anxiety
• elevated cholesterol levels

While many side effects are reversible, breast enlargement and some virilizing effects may persist. Using estrogens does not always effectively mitigate virilization symptoms.

Waarschuwingen

Exercise caution when utilizing this drug in individuals with:

• history of breast cancer or hypercalcemia
• leverdisfunctie
• prostaatkanker
• cardiovascular issues

There have been rare reports of dry cough and breathing difficulties associated with testosterone propionate injections, potentially linked to contaminants in the formulation.

Routine monitoring of liver enzymes and hematocrit levels is advised for all testosterone users to ensure safety.

Wettelijk

Under the Controlled Substance Act, testosterone propionate is classified as a class 3 drug and is unavailable in the USA.

Opsporing

Testosterone propionate has a detectable presence in the body for several weeks post-use. Current testing methods can identify testosterone or its metabolites in the urine for at least 3-4 weeks after cessation. Advanced techniques even allow for detection in hair samples up to 2-4 months later.

However, testing for testosterone propionate has its limits, as numerous users may evade detection due to testosterone/epitestosterone ratios.

Kosten

Accessing legal testosterone propionate is challenging, prompting many bodybuilders to rely on black market sources. Generic formulations from Europe and Mexico are prevalent but can be costly, with a vial of 250 mg ranging from $10-$40. Recent years have seen an increase in control by the DEA, resulting in counterfeit products, emphasizing the importance of caution when purchasing.