P21 Calculator
Default: 5mg / 2mL / 0.1mgAdjust inputs to match your vial
About
What is P21?
P21 is a synthetic peptide derived from ciliary neurotrophic factor (CNTF) studied for neurogenic and cognitive effects in preclinical models.
Common vial sizes
| 5 mg | lyophilized powder |
Reference dose ranges
| 0.1 mg | ≈ 4 U-100 units (at 5mg / 2mL) |
| 0.2 mg | ≈ 8 U-100 units (at 5mg / 2mL) |
Reconstitution
How it's typically prepared
Reconstitute with BAC water; refrigerate.
FAQ
Frequently asked questions
- Is there human data on P21?
- Published human trial data is very limited as of 2026.
Related
Other Cognitive peptides
Notice
PeptideDose is an educational reference. It is not medical advice and does not replace consultation with a licensed healthcare provider. Doses shown in presets are derived from published protocols and product labels — they are not personal recommendations.