COGNITIVE · PEPTIDE
What is Selank?
Medically reviewed by the G1 Peptides clinical team · Updated October 1, 2026
THE SHORT ANSWER
Selank is a synthetic peptide of seven amino acids, developed in Russia from tuftsin, a natural immune peptide. It is studied for anxiety and stress, and is described as calming without causing sedation or dependence.
Selank at a glance
- Type
- Peptide
- Also known as
- TP-7
- Mechanism
- Tuftsin analog; GABAergic and BDNF modulation
- Status
- Approved outside US
- Half-life
- Minutes
- Route
- Subcutaneous or intranasal
- Dosing range in the literature
- 250–500 mcg per dose
- Onset
- Within hours
- Storage
- Refrigerated (2–8 °C); use within the pharmacy beyond-use date
How Selank works
It appears to modulate the GABA system, which is the brain’s main calming pathway, and to affect serotonin metabolism and levels of BDNF, a protein that supports nerve cells.
What Selank is studied for
- Stress & anxiety
- Focus
- Mood
Russian clinical studies report reduced anxiety comparable to some standard medications. Large independent trials outside Russia have not been done.
Being studied for something is not proof that it works. Results in individuals vary.
Selank dosing
Published protocols describe 250–500 mcg per dose, 1–2× daily, given subcutaneous or intranasal. Onset is typically reported at within hours.
These figures are context from the literature, not instructions. A licensed provider sets the dose and schedule for each patient.
Selank side effects and risks
- Mild sedation
- Injection-site reactions
Tell your provider about every medication and condition before starting, and report anything unexpected. See peptide side effects and safety and who should not use peptides.
Is Selank FDA approved?
Approved in Russia as a nasal preparation. Not FDA-approved.
Approval and trial status change. This page was last reviewed on October 1, 2026.
Selank at G1 Peptides
G1 Peptides supplies Selank as vials (10 mg) and in pens (Zen X). Prescription products ship only after a licensed provider has reviewed the order.
Selank questions
- What is Selank?
- Selank is a synthetic peptide of seven amino acids, developed in Russia from tuftsin, a natural immune peptide. It is studied for anxiety and stress, and is described as calming without causing sedation or dependence.
- What is Selank used for?
- Selank is studied for stress & anxiety, focus, and mood. Russian clinical studies report reduced anxiety comparable to some standard medications. Large independent trials outside Russia have not been done.
- How does Selank work?
- It appears to modulate the GABA system, which is the brain’s main calming pathway, and to affect serotonin metabolism and levels of BDNF, a protein that supports nerve cells.
- Is Selank FDA approved?
- Approved in Russia as a nasal preparation. Not FDA-approved.
- What is the typical Selank dosage?
- Published protocols describe 250–500 mcg per dose, given subcutaneous or intranasal. This is context from the literature, not a recommendation: a licensed provider sets the dose.
- What are the side effects of Selank?
- Risks noted for Selank include mild sedation and injection-site reactions. Tell your provider about your medications and conditions before starting.
- What is the half-life of Selank?
- The reported half-life is minutes. Onset is typically reported at within hours.
- How should Selank be stored?
- Refrigerated (2–8 °C); use within the pharmacy beyond-use date.
For educational purposes only, and not medical advice. These statements have not been evaluated by the FDA. Nothing on this page is intended to diagnose, treat, cure, or prevent any disease. Use any compound only under the guidance of a licensed provider.