Source comparison
How to Use Selank Amidate for Focus Protocol: Administration Comparison
Subcutaneous injection 85–95% 20–40 minutes 4–6 hours Moderate (requires sterile technique, refrigeration) Preferred method. Highest bioavailability with predictable pharmacokinetics; suitable for daily research protocols Intranasal spray 45–60% 10–15 minutes
This comparison does not assign a generated winner or score.
- Subcutaneous injection
- 85–95%
- 20–40 minutes
- 4–6 hours
- Moderate (requires sterile technique, refrigeration)
- Preferred method. Highest bioavailability with predictable pharmacokinetics; suitable for daily research protocols
- Intranasal spray
- 45–60%
- 10–15 minutes
- 2–3 hours
- Low (no reconstitution required for pre-formulated sprays)
- Faster onset but lower total absorption; peptide loss to mucosal drainage and enzymatic degradation in nasal cavity
- Oral administration
- <5%
- N/A
- Negligible
- Very low
- Not viable. Peptide bonds are cleaved by gastric pepsin and pancreatic proteases before systemic absorption
- Intramuscular injection
- 80–90%
- 30–60 minutes
- 5–7 hours
- Moderate-High (deeper injection, higher pain response)
- Slightly extended duration but more tissue trauma; no bioavailability advantage over subcutaneous route