Do I need a prescription for Selank 5mg Pen?

Yes. Selank 5mg Pen is a prescription therapy. A licensed provider reviews your order before it ships, and the consultation is free.

Do I need to mix the Selank 5mg Pen?

No. The pen arrives prefilled. You dial the dose your provider prescribes and inject under the skin.

How should I store Selank 5mg Pen?

Refrigerated (2–8 °C); use within the pharmacy beyond-use date.

How is Selank 5mg Pen shipped?

Orders ship cold-chain, in insulated packaging, so the product stays within its temperature range in transit.

Brain & Mood

Selank 5mg Pen

Name: Selank 5mg Pen
Brand: G1 Peptides
SKU: G1H-PEN-SELANK-5MG
Price: 120.00 USD
Availability: InStock

SKU: G1H-PEN-SELANK-5MG

$120

Selank 5mg — Self-Injection Pen

Selank is a synthetic analog of the immune peptide tuftsin, developed as a non-sedating anxiolytic. Researchers study it for calm focus, stress resilience, and balanced mood — without the dependency, sedation, or grogginess of conventional anti-anxiety approaches. Delivered as a prefilled, click-dose self-injection pen — compounded in a US-licensed pharmacy and shipped cold-chain. Refrigerator-stable; store at 2–8°C. For use under licensed-provider supervision.

Prescription therapy. A licensed provider reviews every order before it ships — your free consultation is included.

Tools & reading

DOSAGE CALCULATORSelank →

About Selank 5mg Pen

Selank 5mg Pen contains Selank, supplied as a prefilled, multi-dose injection pen.

In published research, Selank has been studied for stress & anxiety, focus, and mood. Research interest is not proof of benefit, and individual results vary.

It is a prescription therapy: a licensed provider reviews every order before it ships.

The active ingredient

Selank

Selank is a synthetic analog of the immune peptide tuftsin, developed in Russia and studied for anxiolytic and nootropic effects without sedation. It is the calming half of G1's Zen X pen, paired with Semax.

Studied forStress & anxiety · Focus · Mood

How it works: Tuftsin analog; GABAergic and BDNF modulation
Status: Approved outside US
Half-life: Minutes

What is Selank? →Selank dosage calculator →Compare Selank →

How it is supplied

Prefilled and ready to use. There is nothing to mix and no syringe to measure.
Multi-dose: you dial the dose your provider prescribes for each injection.
Injected subcutaneously, into the fatty layer just under the skin.
Storage: Refrigerated (2–8 °C); use within the pharmacy beyond-use date.
Compounded in US pharmacies, third-party tested, and shipped cold-chain.

How to inject peptides subcutaneously →

Dosing context

Published protocols for Selank describe 250–500 mcg per dose. Onset is typically reported at Within hours.
These figures are context from the literature, not instructions. Your provider sets your dose and schedule.

Selank dosage calculator →

Safety

Risks noted in the literature: mild sedation and injection-site reactions.
Tell your provider about every medication and condition before starting, and report anything unexpected.
Not for use during pregnancy or breastfeeding unless your provider directs otherwise.

Peptide side effects and safety →Who should not use peptides →

How ordering works

Tell us about your goals and health history in a free consultation with a licensed provider.
The provider reviews your order. Prescription products ship only after that review.
Your order is prepared by a US compounding pharmacy and shipped cold-chain to your door.
Your care continues in the patient portal, where you can message your care team and request refills.

Book a free consultation →

Questions

What is in Selank 5mg Pen?: Selank 5mg Pen contains Selank. Selank is a synthetic analog of the immune peptide tuftsin, developed in Russia and studied for anxiolytic and nootropic effects without sedation. It is the calming half of G1's Zen X pen, paired with Semax.
Do I need a prescription for Selank 5mg Pen?: Yes. Selank 5mg Pen is a prescription therapy. A licensed provider reviews your order before it ships, and the consultation is free.
Do I need to mix the Selank 5mg Pen?: No. The pen arrives prefilled. You dial the dose your provider prescribes and inject under the skin.
How should I store Selank 5mg Pen?: Refrigerated (2–8 °C); use within the pharmacy beyond-use date.
How is Selank 5mg Pen shipped?: Orders ship cold-chain, in insulated packaging, so the product stays within its temperature range in transit.

For educational purposes only. These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease. Use only under the guidance of a licensed provider.