This content is for educational purposes only. Not medical advice. Always consult a licensed healthcare professional before using any peptides.

Back to Library
CognitiveLow RiskApproved in Russia. Not FDA-approved.

Selank

The Calm Focus

Selank is a synthetic peptide derived from the naturally occurring immunomodulatory peptide tuftsin. Developed in Russia, it functions as an anxiolytic and nootropic, reducing anxiety while enhancing cognitive function, memory, and focus without sedation or addiction potential.

If You Take This

  • Reduces anxiety without sedation
  • Enhances memory consolidation
  • Improves focus and mental clarity
  • Modulates serotonin and dopamine
  • Immunomodulatory effects
  • No addiction or withdrawal potential

Protocol

Dosing
250-500 mcg per day intranasally or subcutaneously, 1-2 times daily.
Cycle Length
2-4 weeks on, 2 weeks off. Can run longer at lower doses.
Half-Life
2-5 minutes (rapid onset, effects last 3-6 hours)
Best Time
Morning and early afternoon
Method
Intranasal spray (preferred) or subcutaneous injection

Stacks Well With

Avoid With

Caution with benzodiazepines or SSRIs — consult physician

Side Effects

  • Mild nasal irritation (intranasal)
  • Slight fatigue in first few days
  • Rare: mild headache

Where to Buy

PepStack Price Guarantee

We track prices across 5+ verified vendors so you don't have to. Every vendor is vetted for purity testing, third-party COAs, and shipping reliability.

Prices last verified: April 3, 2026

Ascension Peptides

4.7
BEST PRICE
$3.98
Vial
10mg
Purity
99%+
Shipping
2-4 business days
Status
In Stock
MYPEPSTACK
Buy Now →

Pinnacle Peptide Labs

4.3
$49.99
Vial
10mg
Purity
≥99%
Shipping
Status
In Stock
Buy Now →

Ignite Peptides

4.4
$50.00
Vial
10mg
Purity
99%
Shipping
Status
In Stock
Buy Now →

Core Peptides

4.8
$52.00
Vial
10mg
Purity
99%
Shipping
2-3 business days
Status
In Stock
Buy Now →

DT Peptides

4.3
$112.00
Vial
Purity
Shipping
Status
In Stock
Buy Now →

We may earn a commission from purchases made through these links at no extra cost to you. This does not influence our recommendations. Learn more

Add to My StackBack to Library

For educational and informational purposes only. Not medical advice. Always consult a healthcare provider before starting any peptide protocol.