COMPARISON TOOL

Selank vs Semax

Two neuropeptides with opposite temperaments: Semax is activating and focus-oriented, Selank is calming. The blend pairs them.

SelankSemaxSemax + Selank

Max 4 peptides

Property	Selank	Semax	Semax + Selank
Category	Cognitive	Cognitive	Cognitive
Type	Peptide	Peptide	Peptide blend
Mechanism	Tuftsin analog; GABAergic and BDNF modulation	ACTH(4–10) analog; BDNF up-regulation	Semax (BDNF, activating) + Selank (anxiolytic)
Status	Approved outside US	Approved outside US	Compounded (Rx)
Dosing range	250–500 mcg per dose	200–600 mcg per dose	400–1,000 mcg total per dose
Frequency	1–2× daily	1–2× daily, earlier in the day	Once daily, morning
Half-life	Minutes	Minutes	Minutes
Route	Subcutaneous or intranasal	Subcutaneous or intranasal	Subcutaneous
Onset	Within hours	Within hours	Within hours
Studied for	Stress & anxiety Focus Mood	Focus & attention Cognitive performance Neuroprotection	Focus Calm under stress Cognitive performance
Key risks	Mild sedation Injection-site reactions	Mild stimulation Irritability Injection-site reactions	Mild stimulation or sedation Injection-site reactions
Storage	Refrigerated (2–8 °C); use within the pharmacy beyond-use date	Refrigerated (2–8 °C); use within the pharmacy beyond-use date	Refrigerated (2–8 °C); use within the pharmacy beyond-use date
Available at G1	Vials: 10 mgPens: Zen XShop →	Vials: 30 mgPens: Zen X, Mega MindShop →	Vials: Blend vialsPens: Zen XShop →
Tools	Dosage calculator →	Dosage calculator →	Dosage calculator →

PROPERTY COMPARISON · RADAR

Editorial profile scores (0–10) for orientation — not clinical measurements.

TYPICAL DOSE RANGES

Selank250 mcg – 500 mcg

Semax200 mcg – 600 mcg

Semax + Selank400 mcg – 1 mg

Typical per-dose range on a logarithmic scale. Your provider sets your dose.

For educational purposes only. Consult a licensed provider before starting any peptide protocol.