Selank Dosage Chart.
Selank is a synthetic peptide derived from the naturally occurring immunomodulatory peptide tuftsin. It's used for anxiety relief, cognitive enhancement, focus, and mood support — with a strong safety profile backed by Russian clinical approvals.
Half-Life
~5 minutes
Routes
Nasal / SubQ
Best Timing
Morning
Storage
2 – 8 °C
Administration Routes
Selank can be taken as a nasal spray or subcutaneous injection. Here's how they compare.
- +Non-invasive, easy to use throughout the day
- +Rapid onset — effects felt within minutes
- –Lower bioavailability — you'll need ~2× the SubQ dose
Typical nasal dose: 200 – 400 mcg per nostril, 2 – 3× daily
- +Higher bioavailability — more consistent absorption
- +Precise dosing with an insulin syringe
- –Requires reconstitution and injection supplies
Typical SubQ dose: 250 – 750 mcg, 1 – 3× daily
Dosage Protocols (SubQ)
Dose per injection, frequency, and weekly totals. Selank is dosed daily with no rest days needed.
Syringe units assume a 5 mg vial mixed with 2 mL of bacteriostatic water (2,500 mcg/mL). Use the calculator below for your exact setup.
250 mcg
per injection · 10 units
Frequency
1 – 2× / day
Weekly Total
1,750 – 3,500 mcg
Cycle Length
2 weeks
1,750 – 3,500 mcg/wk
500 mcg
per injection · 20 units
Frequency
1 – 2× / day
Weekly Total
3,500 – 7,000 mcg
Cycle Length
2 – 4 weeks
3,500 – 7,000 mcg/wk
750 mcg
per injection · 30 units
Frequency
2 – 3× / day
Weekly Total
10,500 – 15,750 mcg
Cycle Length
4 weeks
10,500 – 15,750 mcg/wk
Weekly Schedule
Selank is taken daily — no rest days needed during a cycle. The difference between tiers is dose and frequency per day.
| Day | Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|---|
| beginner(1 – 2×/day) | |||||||
| intermediate(1 – 2×/day) | |||||||
| advanced(2 – 3×/day) |
Reconstitution Calculator
Enter your vial size, how much water you added, and the dose you want — we'll tell you exactly how much to draw.
Ultra-fine, best for small doses
Concentration
2500 mcg/mL
Draw volume
0.10 mL
= 250 mcg ÷ 2500 mcg/mL
Units to draw (0.3 mL syringe)
10 units
0.3 mL Syringe
10 IUTips & Notes
Timing
Take Selank in the morning or early afternoon. Because of its short half-life (~5 min), the anxiolytic and cognitive effects come on fast and are sustained for several hours after each dose.
Cycling
Run 2 – 4 week cycles followed by 2 – 4 weeks off. Russian clinical protocols typically use 14-day treatment courses. This prevents tolerance buildup.
Stacking
Often paired with Semax for a combined nootropic + anxiolytic stack. Some users also combine with NA-Selank (N-Acetyl Selank) for enhanced bioavailability.
Storage
Keep vials refrigerated at 2 – 8 °C. Reconstituted solution stays stable for about 28 days in the fridge. Don't freeze the mixed solution.
Disclaimer: This content is for informational purposes only. Always consult a qualified healthcare professional before starting any new peptide protocol. PeptideDeck is not responsible for individual use.