How to Use P21
Complete guide to P21 dosing, administration, timing, and protocol recommendations.
Quick Overview
A synthetic peptide mimetic of CNTF (ciliary neurotrophic factor) designed for neurodegenerative disease. Promotes neurogenesis and reduces neuroinflammation.
Dosing Guidelines
Common Dose
Limited community data available
Frequency
See research protocols
Dose Range
See research dosing
Note: Limited anecdotal data. Refer to research dosing section.
Administration Method
Oral (nasal in some studies)
Best Time to Take
Morning
P21 (BDNF-mimetic) supports neuroplasticity. Morning use may optimize learning and cognitive enhancement.
Protocol Duration
Ongoing supplementation in studies
Possible Side Effects
Not everyone experiences these. Individual responses vary.
- •Generally well-tolerated
- •Injection site reactions
- •Headache
- •Fatigue
- •Does NOT cause weight loss like native CNTF
Frequently Asked Questions
What is the recommended dose for P21?
Limited community data available
How do you administer P21?
Oral (nasal in some studies)
When is the best time to take P21?
Morning
How long should you use P21?
Ongoing supplementation in studies
This information is for educational purposes only. Always consult with a healthcare professional before using any peptide. Dosing information is based on research literature and community reports, not medical advice.