guidesApril 25, 2026·5 min read

Selank Dosage Chart: 1mg SubQ, 2-3x/Week Protocol

1mg twice weekly delivers clean anxiolytic effects without daily dosing. Covers SubQ protocol, 8-week cycling, and Semax stacking.

Selank Dosing: 1mg SubQ, 2-3x/Week Protocol

Selank (TP-7) is a synthetic heptapeptide derived from the immunomodulatory peptide tuftsin, approved in Russia as a nasal spray for anxiety and neurasthenia. It has genuine human clinical trial data — a 2008 Russian clinical trial (Zozulya et al.) documented anxiolytic efficacy comparable to benzodiazepines without sedation, tolerance, or dependence.

Research-context information only. Selank is a research peptide. Protocols, doses, and reactions reported below come from published research and self-reported community sources. This article reports what has been documented, not what should be done. Consult a licensed physician for personal medical decisions.

Selank is not FDA-approved. It has clinical approval in Russia only. This is not medical advice. For a deeper look at how Selank works, see our Selank benefits guide.

Selank Dosing Table

Match your vial size below — reconstitution and dose math update automatically.

Reconstitute: add 2 mL of bacteriostatic water to the 10 mg vial. Resulting concentration: 5 mg/mL.
500 mcg10 units · 0.1 mL
2-3x/week SubQ
Starter
1 mg20 units · 0.2 mL
2-3x/week SubQ (8-week cycle)
Standard
2 mg40 units · 0.4 mL
Daily SubQ
Acute anxiolysis

Math assumes U-100 insulin syringes (1 mL = 100 units). Verify your syringe matches before injecting. Round half-units to the nearest visible mark.

Quick Reference: Standard Protocol

Parameter Detail
Vial 30 mg
BAC Water 3 mL
Concentration 10 mg/mL
Dose 1 mg (10 units on insulin syringe)
Route Subcutaneous
Timing AM
Frequency 2-3 days per week
Cycle 8 weeks on / 8 weeks off
Storage Refrigerate, use within 28 days

Cycling Details

The standard cycle is 1 mg subcutaneous in the morning, 2-3 days per week, for 8 weeks on / 8 weeks off.

Weeks 1-2 (Assessment): Documented protocols begin at 1 mg, 2 days per week, to gauge anxiolytic response. Some users report effects within the first dose; others require several days.

Weeks 3-8 (Maintenance): Continue at 1 mg, 2-3 days per week based on response.

Off-cycle: Selank doesn't show tolerance in clinical studies, but cycling is a conservative approach to maintain receptor sensitivity. Community sources describe avoiding late evening dosing — some users report mild stimulating effects.

Routes of Administration

Selank Administration Routes

Intranasal spray is the original and most-studied route — Selank was developed as a nasal formulation. Clinical protocols used 250-300 mcg intranasally, 3 times daily for 14 days.

Subcutaneous injection is the community alternative, offering more consistent absorption. Documented community protocols describe the abdomen or love handles as standard injection sites, using 29–31 gauge insulin syringes.

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Reconstitution Quick Reference

Vial Size BAC Water Concentration 1 mg Dose
30 mg 3 mL 10 mg/mL 10 units

Math: 30 mg / 3 mL = 10 mg/mL. For 1 mg: 1 / 10 = 0.1 mL = 10 units.

Community protocols describe swirling gently without shaking. Reconstituted vials are typically refrigerated at 2–8°C and used within 28 days per standard peptide storage guidelines.

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Where These Numbers Come From

Selank is relatively unique — it has genuine human clinical trial data and regulatory approval in Russia.

Generalized Anxiety Disorder: Selank was compared to the benzodiazepine medazepam in GAD patients and showed comparable anxiolytic effects with additional antiasthenic and psychostimulant properties (Zozulya et al., 2008).

Enkephalinase inhibition: Selank potently inhibits enkephalin-degrading enzymes, increasing endogenous enkephalin levels and modulating the opioid system (Kost et al., 2001).

GABAergic modulation: Affects expression of genes involved in GABA neurotransmission, providing benzodiazepine-like effects through a different mechanism (Kasian et al., 2016).

BDNF regulation: Intranasal Selank regulates BDNF expression in the hippocampus, linking anxiolytic and neurotrophic effects (Inozemtseva et al., 2008).

Stacking Protocols

Stack Purpose Protocol
Selank + Semax Classic Russian nootropic — calm focus + cognitive stimulation Both 1 mg SC, AM, 2-3x/week
Selank + DSIP Anxiety + sleep support Selank AM + DSIP PM
Selank + BPC-157 Neurological + gut-brain axis support Selank 1 mg + BPC-157 500 mcg

Documented protocols introduce each peptide separately to assess individual response. When multiple nasal sprays are combined, protocols describe spacing them 10-15 minutes apart.

Side Effects & Safety

  • No sedation — unlike benzodiazepines, does not cause drowsiness or cognitive impairment
  • No tolerance or dependence — confirmed in clinical evaluations
  • Mild nasal irritation with intranasal use
  • Occasional headache — typically first 1-2 days
  • Mild fatigue or lightheadedness at higher doses (uncommon)
  • Injection site irritation — minor, SC route
  • Documented safety notes: Pregnancy/breastfeeding (no safety data), active infections (immunomodulatory effects — these groups were excluded from documented trials)

mg to Units Conversion

On a standard 100-unit insulin syringe, each "unit" equals 0.01 mL (so 100 units = 1 mL). Once Selank is reconstituted, the conversion from a target dose to syringe units depends on the chosen dilution.

The two reconstitution ratios most often described in community protocols are below.

Reconstitution A: 30 mg vial + 3 mL BAC water (10 mg/mL) — the standard dilution from the Quick Reference above.

Dose (mg) Volume (mL) Units (insulin syringe)
0.5 mg 0.05 mL 5 units
1 mg 0.1 mL 10 units
1.5 mg 0.15 mL 15 units
2 mg 0.2 mL 20 units

Reconstitution B: 30 mg vial + 5 mL BAC water (6 mg/mL) — more BAC water for larger, easier-to-measure draws.

Dose (mg) Volume (mL) Units (insulin syringe)
0.5 mg 0.083 mL 8.3 units
1 mg 0.167 mL 16.7 units
1.5 mg 0.25 mL 25 units
2 mg 0.333 mL 33.3 units

These conversions reflect the dilutions documented in community reconstitution protocols. They report how the math is described, not a recommended dosing schedule.

Frequently Asked Questions

What is the standard Selank dose?
Documented protocols describe 1 mg subcutaneously in the morning, 2-3 days per week, cycled 8 weeks on / 8 weeks off. Protocols describe reconstituting a 30 mg vial with 3 mL BAC water (10 mg/mL) and drawing 10 units per dose.
Is Selank better as a nasal spray or injection?
Nasal spray is the original and most-studied route — it was developed and approved in Russia as a nasal formulation. Subcutaneous injection is a community protocol offering potentially more consistent absorption.
What cycle length do documented protocols and community sources describe for Selank?
8 weeks on, 8 weeks off. This cycling pattern maintains receptor sensitivity and aligns with standard nootropic peptide cycling.
Does Selank cause dependence like benzodiazepines?
Clinical studies did not observe tolerance, dependence, or withdrawal in evaluated subjects (Zozulya et al., 2008). Anxiolytic effects were documented as comparable to benzodiazepines without sedation or addiction potential.
Can Selank be stacked with Semax?
Selank + Semax is a documented Russian nootropic combination. Documented protocols describe Selank contributing anxiolytic effects while Semax is reported to add cognitive stimulation and BDNF upregulation through complementary pathways.
How quickly does Selank work?
Many users report effects within minutes to hours of intranasal administration. Clinical studies showed measurable anxiolytic effects within the first few days, with full benefits by 7-14 days.

References

Citation Topic PMID
Zozulya et al., Zh Nevrol Psikhiatr Im S S Korsakova (2008) Clinical trial: Selank vs medazepam for GAD 18454096
Kost et al., Bioorganicheskaia Khimiia (2001) Enkephalinase inhibition mechanism 11550013
Kasian et al., Frontiers in Pharmacology (2016) GABAergic gene expression modulation 26924987
Inozemtseva et al., Doklady Biological Sciences (2008) BDNF regulation in hippocampus 18841804

For educational and research purposes only. This is not medical advice. Selank has clinical approval in Russia but is not FDA-approved.