Testosterone Phenylpropionate
Sustanon 250 component
Half-life
3.3 days
Time to Peak
30 hr
Steady State
~17 days
Bioavailability
100%
Dose Range
25–200 mg
Frequency
Every other day
Overview
Medium-acting testosterone ester with a phenyl group increasing lipophilicity. Found almost exclusively as the 60mg component of Sustanon 250. Limited standalone PK data.
Mechanism of Action
Depot injection releases testosterone via ester hydrolysis. Phenyl group slows depot release compared to plain propionate.
Dosing Information
| Route | Dose Range | Half-life | Tmax | Frequency |
|---|---|---|---|---|
| Intramuscular (IM) | 25–200 mg | 3.3 days | 30 hr | Every other day, three times weekly |
Storage & Handling
room_temperature — Store at 20-25C (68-77F). Protect from light.
Used in Regimens
Testosterone Phenylpropionate is not currently part of any catalog regimen.
Data Sources
- ester analogy Behre & Nieschlag 1998 — Ester PK Estimates
Related Tools
Track Testosterone Phenylpropionate with Doseline
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