Premium Peptides
For cognitive-signaling, stress-response, and immune-modulation research. Every batch is independently tested for purity and content, with its current COA ready to verify.
Reported purity: 99.25%
Price: $24.99-$35.99
Available formats
- 5mg - $24.99 - unavailable
- 10mg - $35.99
Product specifications
- Listed sizes
- 5mg, 10mg
- Format
- Vial
- Reference molecular formula
- C33H57N11O9
- Reference molecular weight
- 751.9 g/mol
- Reference CAS number
- 129954-34-3
- Reference sequence
- H-TKPRPGP-OH
Database reference values, not a batch measurement. Salts and water change the supplied mass; the batch COA reports measured identity, purity and content.
Additional information
How much does it cost?
The 5mg price is $24.99 per vial, the 10mg price is $35.99 per vial. Packs discount every vial in the order: 2 vials 5% off, 3 vials 10% off, 5 vials 14% off, 10 or more vials 18% off. Free standard shipping on orders over $125.
Where to buy it
This product is for sale direct from Prism Labs, USA made, at 99.25% reported purity, with the batch Certificate of Analysis published on this page. Orders placed before 4:30 PM CT ship the same day, seven days a week, when inventory is available.
Is it in stock?
In stock now: 10mg. Out of stock: 5mg. The size table on this page carries live availability.
How is it tested?
Every batch goes to an independent laboratory for six checks: identity, purity, content, heavy metals, sterility and endotoxins. The most recent published report for this product was tested September 23, 2026 at 99.31% purity. Lot 781136 was labeled 10mg and measured 11.65mg. Published reports cover past lots and do not name the lot a new order ships with.
How do I mix it?
Supplied as a lyophilized powder and mixed with Prism H2O before use. The reconstitution calculator turns a vial size and a water volume into units on the syringe.
Price range: $24.99–$35.99 Availability: In stock