Testosterone Propionate
Half-life
2 days
Time to Peak
24 hr
Steady State
~10 days
Bioavailability
100%
Dose Range
25–200 mg
Frequency
Every other day
Overview
Shortest commonly used oil-based testosterone ester. 3-carbon chain. Rapid onset, short duration — used for frequent dosing protocols and as a Sustanon 250 component.
Mechanism of Action
Depot injection releases testosterone via ester hydrolysis. Faster clearance than cypionate/enanthate requires more frequent dosing.
Dosing Information
| Route | Dose Range | Half-life | Tmax | Frequency |
|---|---|---|---|---|
| Intramuscular (IM) | 25–200 mg | 2 days | 24 hr | Every other day, Daily, three times weekly |
Storage & Handling
room_temperature — Store at 20-25C (68-77F). Protect from light.
Used in Regimens
Testosterone Propionate is not currently part of any catalog regimen.
Data Sources
- Peer-reviewed Behre & Nieschlag 1998 — Propionate PK
- Peer-reviewed Fujioka et al. 1986
Related Tools
Track Testosterone Propionate with Doseline
Reminders, medication level charts, injection site rotation, and protocol tracking — all free, all private.
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