Pharmacokinetics - Himcules - Free TRT Injection Tracker for iOS

Pharmacokinetics

2 posts tagged with "Pharmacokinetics"

How Long Does a Testosterone Injection Last? Half-Life Explained

How long does a testosterone injection actually last? Here's what happens to your levels after you inject — peak, half-life, and trough explained simply.

Benny Adam

• Mar 8, 2026

TRT

Testosterone Cypionate Half Life: What Every Man on TRT Needs to Know

Testosterone cypionate has a half-life of approximately 8 days when injected intramuscularly, meaning half of the dose is still active in your body a full week after your shot. That single number shapes everything about your TRT protocol — when you peak, when you crash, and how stable you feel between

Benny Adam

• Mar 6, 2026

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