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Rejuven8 Research Peptides - floating lyophilized powder vials display

High-Purity Research Peptides for Laboratory Use

Rejuven8 supplies high-purity research peptides for laboratory and analytical study. Every compound is third-party tested by HPLC and mass spectrometry to ≥99% purity and ships with a batch-specific certificate of analysis.

All products are strictly for research use only and are not intended for human or veterinary use.

  • ≥99% HPLC Purity
  • Batch-Specific COAs
  • 3rd-Party Lab Tested
  • Fast Shipping
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    About our Research Peptides

    Rejuven8 Peptides supplies high-purity, research-grade peptides for laboratory and analytical study. Our catalog spans the growth hormone axis, GLP and incretin metabolic pathways, tissue regeneration and repair, melanocortin signaling, neuropeptides, and cellular longevity cofactors. Every compound is USA-made and independently verified for identity and purity before it is released.

     

    Each product ships with batch-specific documentation, so researchers can confirm identity, purity, sterility, and net peptide content for the exact vial in hand. Orders placed before 3PM EST ship the same day. All products are supplied strictly for research use only.

    Quality & Testing Standards
    • Independent HPLC verification: Every batch is tested by a third-party U.S. laboratory (Freedom Diagnostics) for identity and ≥99% purity before release.
    • Batch-specific COA: Every vial links to the certificate of analysis for its exact production batch, so you can verify the lot in hand.
    • Proper handling and storage: Lyophilized compounds are kept dry and cool for maximum stability in transit.

    View Certificates of Analysis →

    Frequently Asked Questions

     RUO products are not for human or veterinary use, diagnostics, or drugs. They’re sold solely for laboratory, in-vitro, and R&D applications.

    Typically HPLC for purity and LC-MS or MS for identity. Some lots may include additional tests (water content, TFA content, endotoxin) where noted.

    Purity varies by product and batch and is typically specified on each product page. A Certificate of Analysis (CoA) reflects HPLC purity for the lot you receive.

     Keep sealed and dry. Short term: 2–8 °C (refrigerated). Long term: −20 °C is recommended.

    Our team always ships orders within 1 business day if there are no unexpected delays with our facility or shipping providers.

    Freeze-dried powder form that improves stability and shelf life under proper storage.

    See each product page for mass (e.g., 5 mg, 10 mg). Vial fill volume is not indicative of mass—refer to the labeled content.