Testosterone Propionate
Short-ester testosterone — frequent injections, faster clearance, easier to stop.
- Half-life
- 20 h
- Out of system
- ~4 days
- Route
- Intramuscular
- Level
- Advanced
Daily dosing holds steady levels. After the last dose, roughly 97% has cleared in ~4 days (five half-lives) — the window that matters for washouts, bloodwork and surgery.
What Testosterone Propionate is used for
- Same testosterone benefits with a short ester — clears fast if you need to stop
- Steadier peaks for users sensitive to long-ester fluctuations
How it's typically used
Literature range: ~50 mg intramuscular every other day. Short ester = more frequent dosing.
What to watch for
- Frequent (every-other-day) injections; more site irritation
- Same suppression, hematocrit, estrogen and BP monitoring as any testosterone
- Controlled substance; prescription-only in most jurisdictions
About Androgens & steroids
- What they are
- Anabolic-androgenic steroids — testosterone and its derivatives. These are drugs, not peptides, and are controlled substances in most countries.
- How they're run
- Injected intramuscularly or subcutaneously on a schedule set by the ester's half-life; a few are oral and hepatotoxic.
- What to watch
- Every one of these shuts down your own testosterone production. Full bloodwork before, during, and after is not optional, and an exit plan — PCT or ongoing replacement — is part of the decision to start, not an afterthought.
Full guide
Testosterone Propionate: A Tracking Guide for the Short Ester
Propionate clears fast, which means frequent injections and sharper fluctuations. Here is what that changes about tracking.
Other androgens & steroids
Peptid AI is an educational and self-tracking tool — not a medical service, and not a vendor. Nothing here is medical advice, a prescription, or an endorsement. Doses reflect what is commonly reported in research literature; they are not recommendations. Many compounds listed are experimental, not approved for human use, and/or controlled substances that are illegal to possess without a prescription in many countries. Always consult a qualified physician before starting, changing, or stopping any protocol.