About VendPeptides
VendPeptides is a supplier of research-grade peptides for laboratory and in-vitro use. We are a vendor, not a laboratory and not a clinic. Our job is narrow and we would rather do it well than expand it: source correctly synthesised material, verify it, document it, and ship it quickly.
What we actually do
Every lot we list is synthesised by a contract partner, tested by an independent analytical laboratory, and released only against a certificate of analysis that we publish. We do not run our own synthesis. We do not run our own assays. We select partners, verify their output, and stand behind the documentation.
Verification standard
No lot is listed for sale until it has passed:
- RP-HPLC purity — reverse-phase high performance liquid chromatography, minimum 99% for all listed compounds, with the chromatogram published.
- Mass spectrometry identity — observed mass reconciled against the theoretical monoisotopic and average mass for the sequence.
- Appearance and solubility check — lyophilisate inspected and reconstitution behaviour confirmed against specification.
Certificates are batch-matched. The batch number printed on your vial appears on the certificate you can pull from our COA library. If those two numbers do not agree, tell us and we will replace the order.
Fulfilment
Material is stored and shipped from the United States. Orders placed before 2:00 PM CT on a business day ship the same day. Lyophilized peptides are stable at ambient temperature for the duration of domestic transit; we ship cold-pack on request and on all international routes.
What we will not do
We do not provide protocols for use in humans or animals. We do not advise on research design. We do not make efficacy claims about any compound we sell, and we will not respond to requests for them. Descriptions on this site summarise published literature and structural chemistry, nothing more.
For research purposes only. Not for human consumption. The products on this site are not drugs, foods, cosmetics, or medical devices, and are not intended to diagnose, treat, cure, or prevent any condition.