Description
Overview
Androgen-receptor agonism; propionate is a short ester with rapid release and clearance.
Composition / Profile
- Active compound: Testosterone Propionate
- Drug class: Injectable androgen / anabolic steroid (short ester)
- Pack / dose (this listing): 10ml / 100mg
Format
- Oil-based (or aqueous, where noted) solution for intramuscular injection
- Pack / dose: 10ml / 100mg
Dosage & Usage Patterns
- Bodybuilding (commonly cited): Commonly cited: ~50–100 mg every other day (EOD) or 100 mg EOD as a cycle base (~350–700 mg/week); some use it as a kickstart alongside a long ester.
- Clinical / general reference: Individual; typically injected every other day due to short half-life.
- Half-life: ~0.8 day (~19-20 h).
- Protocols vary by individual, compound stack, and bloodwork — figures above reflect community-reported patterns, not medical recommendations.
Effects
Reported benefits (commonly cited)
- Rapid onset compared with long esters.
- Lean-mass and strength gains.
- Less water retention per injection than a large long-ester bolus (though total estrogenic load still tracks weekly dose).
Reported side effects
- Post-injection pain is common.
- Acne.
- Water retention.
- Gynecomastia.
- Testicular atrophy.
Key Interactions
- Aromatizes to estradiol.
- Raises hematocrit.
Post-Cycle Considerations
- Clears fastest of the common esters.
- Suppression resolves sooner than long esters but is still present.
Precautions
- Frequent injections.
- Injection-site reactions common.
Common Misconception
Myth: propionate causes less water retention inherently.
Evidence: water retention tracks estradiol/dose, not ester choice per se.
Related Categories
- Browse more in Injectable Steroids → Testosterone → Testosterone Propionate.
- Related: Post Cycle Therapy (PCT), Anastrozole, Tamoxifen.
Storage
- Store away from direct light and extreme temperature
- Oil-based solutions can be drawn more easily when warmed slightly before injection






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