P21 Dosage Guide
Complete guide to P21 dosing protocols, administration methods, and safety considerations for research purposes.
Dosage Overview
Dose per Injection
1 mg – 5 mg
Frequency
Once per day
Route
subcutaneous
Cycle Length
2–4 weeks
Reconstitution
Vial Size
5 mg
BAC Water
2.0 ml
Concentration
2,500 mcg/ml
Detailed Dosage Information
Research protocols typically use 1-5mg administered intranasally or subcutaneously.
Often used in cycles of 2-4 weeks.
Administration Method
Can be administered intranasally for direct CNS access or subcutaneously. Best used cyclically rather than continuously.
Research Use Only: All dosage ranges and calculations are derived from published research literature and are provided for educational purposes. These are not prescriptions or medical recommendations. Consult a healthcare professional before any use.
Concentration: 2.5 mg/ml
Volume to inject: 1.200 ml
Syringe units: 120.0 units — exceeds 1 ml syringe, split into multiple injections
U-100 insulin syringe (100 units = 1 ml). Verify dose with a clinician before injecting.
Pre-filled with P21 defaults. Adjust values as needed.
Side Effects to Monitor
Limited data. Reported effects include mild headache, temporary brain fog during initial use, and fatigue.
Safety Considerations & Risks
Very limited human research. Long-term effects unknown. Theoretical concerns about effects on cell proliferation pathways.