Selank half-life
How long Selank stays active in the body, what that means for your dosing schedule, and where to buy.
Selank half-life
Short — effects compound over 1–2 weeks
Typical dose
250–500 mcg intranasal, 1–3x per day
What half-life means for Selank
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 Selank, the characterised half-life is Short — effects compound over 1–2 weeks. This directly informs the typical protocol of 250–500 mcg intranasal, 1–3x per day.
Full mechanism, benefits, and dosing guidance on the main Selank page.