Testosterone Propionate

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evidence score

anabolic

Prescription Only

test proppropT-Propionate+1 more

Testosterone Propionate is a short-acting esterified testosterone with a half-life of 2-3 days, requiring injections every other day (EOD) or every 3 days for stable blood levels. It is the fastest-acting injectable testosterone ester and provides rapid response to dose adjustments — useful for dialing in TRT, pre-competition body composition, or minimizing post-cycle recovery time. The frequent injection schedule is its primary limitation vs. longer esters. More popular in competitive bodybuilding where fast control of hormone levels is needed. FDA-approved for male hypogonadism and delayed puberty.

Evidence

No score yet

Safety

Unknown safety profile

Clinical Status

No formal phase listed

Research Sync

Not synced yet

Dosing

Typical

100 mg

50 mgRange150 mg

Frequencyevery other day (EOD)

Set height & weight in Settings to see your dose.

Pharmacology

Half-life~2-3 days

OnsetTestosterone elevation within 24-48 hours; anabolic effects 2-4 weeks

DurationLevels fall significantly within 3-4 days without re-injection

Routes

intramuscular_injection

subcutaneous_injection

Evidence Score

—

0 studies indexed

Scoring Factors

Volume(40%)—

Quality(30%)—

Sample Size(10%)—

Consistency(10%)—

Replication(5%)—

Recency(5%)—

Evidence Levels

AScore ≥75 with at least 1 meta-analysis and 3+ RCTs

BScore ≥50 with at least 1 RCT or meta-analysis

CScore ≥25 — observational or animal evidence only

DScore <25 — very limited or preclinical data

Plain-English Snapshot

Testosterone Propionate is currently categorized as a anabolic compound.

Evidence scoring has not been fully computed yet, so interpret this profile as preliminary.

Safety scoring is incomplete. Start conservatively and monitor carefully.

Core mechanism

Esterified testosterone cleaved by esterases → free testosterone; identical mechanism to other testosterone esters; ester length determines release rate and half-life only

Practical Context

Strongest current signals

No indexed study summaries yet.