Pure unit-conversion math for Selank (mg → mcg → IU on a U-100 insulin syringe). Half-life steady-state graph, cost-per-mcg comparator, shareable URL. Research use only — no clinical recommendations.
→ Open the Selank calculatorSelank is a synthetic tuftsin analog. Plasma under one hour; intranasal route changes the input function. The Russian Academy of Sciences body of work is real; the Western RCT layer is thin.
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Verify your vendor: See Selank COA scores at /coa-index.