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Cognitive / RESEARCH PROTOCOL GUIDE

Selank

Cognitive · Research protocol guide

Synthetic peptide investigated in anxiety-related research.

Catalog provenance checked October 18, 2026Independent research dossier

01 / RESEARCH SUMMARY

Selank Research Summary

Selank is a synthetic heptapeptide based on tuftsin, a natural immune peptide, with a Pro-Gly-Pro tail added for stability. It reduces anxiety without sedation or dependence, through effects on GABA signaling, enkephalin breakdown and serotonin. It also modulates immune signaling. Selank is approved in Russia as an anxiolytic and is usually given intranasally.

Read the full guide →

02 / WHY RESEARCHERS STUDY IT

Why Selank draws research interest

These are the areas researchers and the peptide community explore Selank for most often. They describe what is being studied — not proven benefits, approved uses, or promised results.

Anxiety

Reduces anxiety without sedation in Russian clinical use.

Focus under stress

Explored for clearer thinking during stress.

Immune balance

Modulates immune signaling.

Evidence ranges from early lab work to large clinical trials depending on the use — see the sections below for the data and sources.

03 / DOSING & RECONSTITUTION

Dosing & Reconstitution Guide

A single practical dilution with accurate dosing, step by step

Standard Approach (3 mL = 3.33 mg/mL)

  • Reconstitute: Add 3 mL bacteriostatic water to one 10 mg vial → final concentration 3.33 mg/mL (3,333.3 mcg/mL).
  • Typical range: 200–800 mcg 1–2x daily (am/mid day) · 5 on 2 off or daily, 4–8 weeks.
  • Easy measuring: At 3.33 mg/mL, 1 unit ≈ 33.33 mcg on a U-100 syringe, so doses read at 6–24 units — a 0.3 mL (30-unit) syringe makes them easier to read.
  • Storage: Lyophilized: store at −20 °C (−4 °F); after reconstitution, refrigerate at 2–8 °C (35.6–46.4 °F) and do not freeze the mixed solution.
ProtocolDose rangeFrequencyCycleTime offHalf-lifeFastedRoute
Injectable · Subq200–800 mcg1–2x daily (AM/Mid day) · 5 on 2 off or daily4–8 weeks2–4 weeksMinutes to hours (route-dependent)NoSubq

04 / RECONSTITUTION CALCULATOR

Mix & measure Selank · 10 mg

Pre-filled with this protocol's recommended BAC water and starting dose — edit any field to run your own numbers.

CONCENTRATION
3.33 mg/mL
DRAW VOLUME
0.060 mL
ON THE SYRINGE
6.0 units
DOSES / VIAL
50
6 units0102030405060708090100

Reconstitution math only. U-100 syringe: 100 units = 1 mL.

Reconstitution GuideFull calculator →

05 / STORAGE

Storage Instructions

Lyophilized (powder)

Store in the freezer at −20 °C (−4 °F) for long-term storage, or refrigerated at 2–8 °C for shorter periods. Keep dry, sealed and away from light. Let a frozen vial reach room temperature before opening to avoid condensation.

Reconstituted

Refrigerate at 2–8 °C (35.6–46.4 °F) and use within about 28 days. Do not freeze. Keep away from heat and direct light, and avoid repeated temperature swings. Swirl gently — never shake.

Reconstitution steps

  1. Wipe the vial stopper with an alcohol swab.
  2. Draw the BAC water and release it slowly down the inside wall of the vial.
  3. Swirl or roll gently until fully dissolved — don't shake.
  4. Label with the date and concentration and refrigerate.
Read the full Reconstitution Guide →

06 / RESEARCH FINDINGS

What Research Shows

Human research

  • Anxiety symptoms and stress-related signaling have been investigated.
Research context

Limited, jurisdiction-specific studies do not establish an FDA-approved anxiety treatment or a regimen for this supplier's powder.

07 / MOLECULAR BIOLOGY

Mechanism of Action

Mechanism unresolved

Proposed research targets

Anxiety symptoms and stress-related signaling have been investigated.

The molecular target remains under investigation; analogs and blends require separate characterization.

Adamantane & the blood–brain barrier

Chemically attaching an adamantane group to a peptide can increase its lipid (fat) solubility. Researchers hypothesize that this modification may help certain compounds cross the tightly regulated blood–brain barrier. The effect depends on the specific modified molecule; greater lipid solubility alone does not establish brain delivery or clinical benefit. This does not apply automatically to the unmodified peptide and is not a reconstitution additive.

08 / LIFESTYLE FACTORS

Lifestyle Factors

  • Cycle it: run on/off cycles to maintain responsiveness.
  • Timing: dose stimulating peptides (Semax family) early in the day; calming ones (Selank, DSIP) later.
  • Sleep and hydration have a bigger effect on cognition than any peptide.
  • Limit caffeine stacking to avoid overstimulation.

09 / BENEFITS & SIDE EFFECTS

Potential Benefits & Side Effects

Potential Benefits

  • Improved focus and mental clarity
  • Reduced anxiety and stress reactivity
  • Better mood and motivation
  • Neuroprotective support (BDNF-related peptides)

Side Effects

  • Nasal irritation with intranasal use
  • Mild headache
  • Overstimulation or irritability (Semax-type)
  • Drowsiness (Selank, DSIP)

10 / STUDIES

Studies & references

11 / SAFETY

Safety considerations

  • Verify the active identity, lot number, and matching certificate of analysis. Testing does not by itself establish sterility or suitability for human use.
  • Follow documented product-specific storage and preparation requirements; stability and diluent compatibility depend on the formulation.
  • Research powders are not interchangeable with prescription formulations. Do not infer an injection or nasal protocol from a concentration calculation.
  • For medical care, pregnancy, existing conditions, or medication interactions, consult a qualified healthcare professional.

12 / RECOMMENDED SOURCE

Recommended Source

For research peptides, we point researchers to Orbitrex Peptides for Selank.

Why Orbitrex?

  • Family-owned & independently tested: Multiple laboratories verify quality, with batch-specific testing in every COA.
  • Everyday value: Buy 4, Get 1 Free on eligible products.
  • Loyalty credit: 5% back in loyalty credit for future purchases.
  • VerifyPass discount: 20% off for qualifying groups — stacks with affiliate codes.
  • Free 2nd Day shipping: Free UPS 2nd Day Air on orders $200+, applied automatically at checkout.

All products are for research use only. Availability and offers subject to change.