Every vial,
buy one get one.
Mix & match any two — the lower-priced vial is free. Four vials add a free BAC water.
Shop the dealPepprzz supplies research-grade peptides for laboratory and in-vitro research use only. Please confirm before continuing.
Products are not for human or veterinary use, not for use in diagnostic procedures, and have not been evaluated by the FDA.
Not a researcher? ExitBuy one, get one free on every vial · mix & match
Verified ≥99% purity · same-day US shipping · no code needed
Mix & match any two — the lower-priced vial is free. Four vials add a free BAC water.
Shop the dealNo fillers, no mystery blends, no marketing math. Every batch is verified by an independent lab before it ships, and the report for that batch is published here.
Every batch is tested by an independent, ISO 17025-accredited lab — HPLC purity, quantity per vial, heavy metals, endotoxin and bioburden. We publish the full Certificate of Analysis, scanned as issued, so you can read the numbers for yourself — no recycled PDFs, no mystery vials.
Orders placed before 2pm ET ship the same business day from inside the US. Everything ships lyophilized — freeze-dried to a stable powder — and packed in plain outer packaging.
The certificate we publish for your batch is the certificate for your batch — not a sample pulled from a run we did last year. Every batch is tested on its own and gets its own report on the lab reports page.
Any two vials, any compounds, any sizes. Pair them however you like — the lower-priced vial of every pair is free, automatically, in your bag.
Incretin-pathway agonists, GH-axis analogs, tissue and dermal blends, neuropeptides, longevity compounds and melanocortin agonists — all lyophilized, all HPLC-verified, all with their batch report published.
No. Everything is sold strictly for laboratory and research use only — not for human or veterinary use, not for use in diagnostic procedures, and not evaluated by the FDA.
Yes. Each batch goes to an independent, ISO 17025-accredited lab for HPLC purity, quantity, heavy-metal, endotoxin and bioburden testing before it is released. The resulting Certificate of Analysis is published on our lab reports page and inside each product page, matched to the batch and vial size you received.
Every lyophilized vial in the catalog is buy one, get one free, and you can mix and match — any two vials, any compounds, any sizes. For each pair the higher-priced vial is charged and the lower-priced one is free; the saving shows in your bag automatically, no code needed. Every four vials also add a free 10 mL bacteriostatic water to your order. Nasal sprays, capsules and supplies are not part of the offer.
Orders placed before 2pm ET ship the same business day. Domestic delivery is typically 2–4 business days, with a 2-day option free on orders over $250.
Store lyophilized vials cold and away from light. Once reconstituted, refrigerate and use promptly — specific handling notes ship with each order.
Bulk and standing-order pricing is available for labs and institutional buyers. Get in touch through the contact page with the compounds and volumes you need and we will put a quote together.
Stored cold and dark, lyophilized material remains stable for years. Each Certificate of Analysis lists the test date and the recommended re-test window for that batch.
Disclaimer: All products sold are intended for laboratory and research purposes only. They are not for human consumption, veterinary use, or medical applications. You must be 21 years or older to purchase. By using this site you agree to comply with all applicable laws and regulations regarding these products. Misuse of these products is strictly prohibited.
FDA disclaimer: The statements made within this website have not been evaluated by the US Food and Drug Administration. The statements and products of this company are not intended to diagnose, treat, cure or prevent any disease. All products are sold for research, laboratory, or analytical purposes only. Pepprzz is a chemical supplier. Pepprzz is not a compounding pharmacy or chemical compounding facility as defined under 503A of the Federal Food, Drug, and Cosmetic Act, and is not an outsourcing facility as defined under 503B.