HGH (Somatropin) half-life
How long HGH (Somatropin) stays active in the body, what that means for your dosing schedule, and where to buy.
HGH (Somatropin) half-life
~2–3 hours
Typical dose
1–4 IU daily subcutaneous (research / off-label)
What half-life means for HGH (Somatropin)
Half-life is the time it takes for half the compound to be cleared from the body. Shorter half-lives (< 4h) usually require daily or multiple-daily dosing to maintain levels; longer half-lives (days) support once-weekly protocols.
For HGH (Somatropin), the characterised half-life is ~2–3 hours. This directly informs the typical protocol of 1–4 IU daily subcutaneous (research / off-label).
Full mechanism, benefits, and dosing guidance on the main HGH (Somatropin) page.