P21 5 mg

Technical Details

Dosage & Usage Guidelines

• Dosage: 250–500 mcg per day (subcutaneous or intranasal)
• Cycle: Typically 10–30 days in learning or neuroregeneration protocols
• Storage: Store lyophilized peptide at -20°C and reconstituted solution at 2–8°C

Stacking Recommendations

• N-Acetyl Semax Amidate – for BDNF synergy
• Humanin – neuroprotective synergy
• FOX04-DRI – for senolytic brain aging models
• MOTS-c – mitochondrial coactivation

Safety & Legal Status

P21 is not FDA-approved and is sold strictly for laboratory research. It has shown low toxicity and no hormonal disruption in rodent studies. No known aromatization, liver stress, or cardiovascular effects have been reported. Use in accordance with institutional and regulatory research protocols.

Shipping & Product Authenticity

What to Expect

• ✔ Orders are processed after payment confirmation
• ✔ USA Domestic shipping is typically faster when local stock is selected
• ✔ International orders include tracking, though update frequency may vary by destination
• ✔ Multiple warehouses may result in separate shipments when applicable

For complete delivery details, tracking policy, and reshipment terms, please see our Shipping Info page.

Storage

Store the lyophilized powder at controlled room temperature (15–25°C) in a dry, dark place, away from direct light and moisture. The unopened vial should be kept in its original packaging to maintain stability.

After reconstitution, store the solution at 2–8°C and use within 14 days. Do not freeze. Discard any unused portion after the recommended storage period. Before use, inspect the solution and avoid use if it appears cloudy, discolored, or contains particulate matter, or if the vial or seal is compromised.

Keep out of reach of children. Follow proper handling and sterile injection practices during research use.

Proper storage conditions help maintain product stability and consistent performance across the product's shelf life.

Frequently Asked Questions