Selank
to clear
How a single dose clears, assuming first-order elimination. The half-life is the biggest driver of how often you dose — start a cycle to see your own cumulative concentration curve.
A synthetic analog of tuftsin with anxiolytic and nootropic effects, without sedation or dependence.
Alters enkephalin metabolism and modulates GABAergic and serotonergic systems; upregulates BDNF.
250–750 mcg intranasal, 2–3× daily, 2–4 week cycles.
Refrigerated; nasal solution ~30 days.
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Semax
A synthetic ACTH(4-10) analog developed in Russia as a nootropic for focus and neuroprotection.
N-Acetyl Semax
An acetylated, amidated Semax variant with improved stability and a longer duration of action.
N-Acetyl Selank
A stabilized, amidated Selank variant with extended action versus standard Selank.