Peptide
P21 (Peptide 21)
Typical dose
10 mcg
once daily · nasal or SubQ
Half-life
~2-4 hours
What is P21 (Peptide 21)?
Experimental neurogenic peptide candidate used in research nootropic stacks.
How P21 (Peptide 21) works
Proposed to increase neurotrophic signaling and dendritic spine formation via growth-factor pathways.
P21 (Peptide 21) dosage
- Typical dose
- Typical: 10 mcg/day, intranasal or SubQ.
P21 (Peptide 21) half-life
~2-4 hours
P21 (Peptide 21) side effects
- Headache
- Irritability
- Sparse human safety data
Preparation & storage
- Preparation
- Mix a 5 mg vial with 5 mL bac water → 1,000 mcg/mL; a 10 mcg dose = 0.01 mL = 1 unit (tiny — nasal often preferred).
- Reconstitution
- Reconstitute a 5 mg vial with 5 mL BAC water → 1 mg/mL; a 10 mcg dose = 0.01 mL = 1 unit (very small — nasal often preferred).
Track P21 (Peptide 21) in Protokol.
Log doses, model half-lives, check interactions, and line it all up against your bloodwork. Free on iPhone and Android.
