Description
Testoject (Testosterone Suspension) represents a unique and potent form of androgen therapy, consisting of pure, unesterified testosterone micronized crystals suspended in an aqueous solution. Unlike esterified variants, Testosterone Suspension offers an immediate release of the active hormone, resulting in a rapid and powerful anabolic-androgenic effect with a very short duration of action. This makes it a specialized tool for athletes seeking an immediate performance peak.
Mechanism of Action
The mechanism of action for Testoject is direct and swift. Upon intramuscular injection, the micronized testosterone crystals are absorbed rapidly from the aqueous suspension into the bloodstream, bypassing the need for ester hydrolysis. This provides an almost immediate surge of free testosterone, which then binds to androgen receptors to exert its full spectrum of effects: intense stimulation of protein synthesis, profound nitrogen retention, and significant enhancement of strength, aggression, and neuromuscular output. It is rapidly metabolized via aromatization to estradiol and 5-alpha reduction to dihydrotestosterone (DHT).
Clinical Application and Dosage
The clinical application of pure Testosterone Suspension is limited due to its pharmacokinetic profile and injection discomfort. Historically, it had uses in specific medical scenarios requiring a rapid testosterone effect. In athletic performance, Testoject is primarily used immediately pre-competition or before intense training sessions for its unparalleled ability to boost strength, focus, and muscle fullness within hours.
A critical and challenging component of its use is the management of severe post-injection pain (PIP) and the requirement for extremely frequent injections. Dosages are highly individualized and often low due to its potency, typically ranging from 50 mg to 100 mg administered via deep intramuscular injection, often on a daily or even twice-daily schedule to maintain effects.
Treatment Protocol and Monitoring
Protocols using Testoject are typically very short-term, spanning days to a few weeks, such as immediately prior to a competition. Due to the violent hormonal fluctuations it causes, monitoring is complex but essential. Users must be vigilant for the rapid onset of estrogenic side effects and regularly monitor blood pressure. Post-cycle, the rapid clearance necessitates immediate initiation of post-cycle therapy (PCT).
Pharmacological Profile
The pharmacological profile of Testoject is defined by the absence of an ester. This results in the fastest possible release and the shortest half-life of any injectable testosterone—estimated at mere hours. It is administered as an aqueous suspension, not an oil solution, which contributes to its rapid absorption and significant injection site irritation. It is metabolized and cleared from the body within 24-48 hours.
Common Side Effects
The use of Testosterone Suspension is associated with pronounced and rapid-onset side effects. The most common include:
- Severe Injection Site Pain: Notable inflammation, soreness, and potential sterile abscesses due to the crystalline suspension.
- Rapid Estrogenic Effects: Significant water retention, high blood pressure, and gynecomastia can develop very quickly due to immediate aromatization.
- Pronounced Androgenic Effects: Rapid onset of acne, oily skin, and accelerated hair loss.
- Extreme Hormonal Fluctuations: Leads to rapid peaks and troughs, potentially causing mood swings, anxiety, and lethargy between doses.
- Erythrocytosis: Can cause a rapid increase in red blood cell count.
Due to its harsh nature and management difficulty, Testoject is generally not recommended for beginners. It is contraindicated for individuals with a known sensitivity to testosterone, cardiovascular issues, or hormone-sensitive cancers.
You can buy Testoject (Testosterone Suspension) made by Apoxar in bulk in Canada via our website. Navigate to the “Purchase” tab and fill the contact form with details of your wholesale order. Please note: we do not sell single packs or ship directly to consumers, Apoxar is a wholesale fitness medication manufacturer and we work exclusively with our approved distributors.

