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Evidence review

Peptide Detail

Library/NA-Selank Amidate
emergingCautionResearch Only

NA-Selank Amidate

N-Acetyl Selank Amidate / Enhanced Selank / NASA

An enhanced variant of Selank (TP-7) with N-acetyl and C-terminal amidate modifications that dramatically increase metabolic stability and CNS penetration. While standard Selank has a half-life of minutes due to rapid enzymatic degradation, NA-Selank Amidate resists peptidase breakdown and crosses the blood-brain barrier more efficiently. Retains all anxiolytic, nootropic, and immunomodulatory properties of Selank with improved pharmacokinetics.

Half-life

~3–5 hours (significantly longer than standard Selank ~1–3 min)

Typical Dose

200–600 mcg/day intranasal

360/600

Route

intranasal

Category

neuroprotective

Evidence Overview

Strength of evidence across clinical, expert, and experimental lanes.

How NA-Selank Amidate is dosed in practice

Usually taken as a nasal spray. Typical range: 200–600 mcg/day intranasal. Half-life: ~3–5 hours (significantly longer than standard Selank ~1–3 min). Each card gives the dose, frequency and duration from one evidence lane: Clinical (human trials), Expert (practitioner protocols) or Experimental (early or animal data). These ranges describe what has been studied or used; they are not a prescription.

Work out the units to draw with the reconstitution calculator, how long a vial lasts with the vial duration calculator, and how levels fall between doses with the half-life calculator.

expert65% confidence

Preferred over standard Selank by nootropic practitioners due to dramatically improved half-life and CNS penetration. Used for anxiety, focus, and immune support. The NA-Semax + NA-Selank stack is considered a gold standard nootropic peptide combination.

Dose300–600 mcg/day intranasal (100–200 mcg per spray)
Frequency2–3 times daily
Duration2–4 weeks on, 1–2 weeks off
Sources
  • Nootropic peptide practitioners — enhanced Selank protocols
  • Biohacking community consensus on NA-modified peptides
  • Neuropeptide therapy specialists
experimental55% confidence

Community reports consistent anxiolytic and focus-enhancing effects superior to standard Selank. Users describe a calm, clear-headed focus without sedation. Popular stack with NA-Semax Amidate. Intranasal administration makes it accessible for daily use.

Dose200–600 mcg/day intranasal
Frequency1–3 times daily
DurationCycled 2–4 weeks on, 1–2 weeks off
Sources
  • Reddit r/Nootropics — NA-Selank Amidate experience reports
  • Nootropic community comparative reviews (Selank vs NA-Selank)
  • Longecity forum discussions on peptide nootropic stacks

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Safety & Contraindications

  • Pregnancy or breastfeeding
  • Active bleeding disorders (tuftsin-derived peptides may affect coagulation)
  • Concurrent use of benzodiazepines (additive GABAergic effects)

NA-Selank Amidate: common questions

What is NA-Selank Amidate?

An enhanced variant of Selank (TP-7) with N-acetyl and C-terminal amidate modifications that dramatically increase metabolic stability and CNS penetration. While standard Selank has a half-life of minutes due to rapid enzymatic degradation, NA-Selank Amidate resists peptidase breakdown and crosses the blood-brain barrier more efficiently. Retains all anxiolytic, nootropic, and immunomodulatory properties of Selank with improved pharmacokinetics.

How is NA-Selank Amidate dosed?

NA-Selank Amidate is usually taken as a nasal spray. Typical range in DoseCraft's library: 200–600 mcg/day intranasal. Expert (practitioner protocols): 300–600 mcg/day intranasal (100–200 mcg per spray); 2–3 times daily; 2–4 weeks on, 1–2 weeks off. Experimental (early or animal data): 200–600 mcg/day intranasal; 1–3 times daily; Cycled 2–4 weeks on, 1–2 weeks off. These ranges describe what has been studied or used; they are not a prescription.

Is NA-Selank Amidate FDA-approved?

No. NA-Selank Amidate is not approved by the FDA for any use in people.

What is the half-life of NA-Selank Amidate?

DoseCraft's library lists a half-life of ~3–5 hours (significantly longer than standard Selank ~1–3 min). Half-life sets how often a compound is dosed and how long it takes to clear: about five half-lives.

Who should not use NA-Selank Amidate?

Listed contraindications: Pregnancy or breastfeeding; Active bleeding disorders (tuftsin-derived peptides may affect coagulation); Concurrent use of benzodiazepines (additive GABAergic effects).

Information is for educational purposes only. Always consult a licensed healthcare provider before starting any peptide regimen.

Page updated . How we grade evidence: methodology.

Disclaimer: DoseCraft is for educational purposes only and does not provide medical advice. These compounds are not FDA-approved for the uses described. Always consult a qualified healthcare provider. Full disclaimer

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