← Back to all peptides

Selank

Cognitive Enhancement

Overview

Synthetic peptide derived from tuftsin. Anxiolytic, antidepressant, and cognitive-enhancing effects. Reduces anxiety, sharpens mental clarity, modulates the immune system. Administered intranasally for fast CNS absorption.

Reported Dosing Ranges

Reference information only. Not medical advice, prescriptions, or recommendations.

Anxiety Reduction / Focus

Dosage

250-500 mcg

Frequency

1-2x daily

Cycle Length

10-14 days

Timing

AM or early afternoon (avoid late evening)

Notes

Intranasal — split evenly between nostrils. 10-14 days on, 7-10 days off, repeatable.

Reconstitution Calculator

* U-30 recommended for this dose (5.0 units)

Your Dose

Draw to

5.0units

(0.050 mL) on a U-100 syringe

Syringe Fill

01020304050607080901005.0u

U-100 insulin syringe

Reconstitution

0mL1mL2mL3mL4mL5mL1mL5mgpeptide vial

Concentration

5.00 mg/mL

mcg per mL

5000 mcg

Per Unit (IU)

50.0 mcg

Doses Per Vial

20 doses

Storage

🌡️ Refrigerate at 2-8°C

📋 Reconstitute with sterile nasal-spray solution or BAC water.

⏱️ Shelf life: 30 days after reconstitution