Peptide.Express
Research-peptide store with same-day dispatch on US orders placed before 2 PM EST, free shipping over $150, mix-and-match bulk discounts up to 25%, and a lot-matched certificate index naming Freedom Diagnostics and Mistral Diagnostics.
As of October 19, 2026, Peptide.Express publishes a public certificate-of-analysis (COA) or test-results page and names 2 outside testing labs (Freedom Diagnostics, Mistral Diagnostics), and mentions endotoxin and heavy-metal testing. We found no FDA warning letter naming it. We have not tested its products. FDA record.
- COA / test page
- Published
- Labs named
- Freedom Diagnostics, Mistral Diagnostics
- FDA warning letter
- None found
- Listed $/mg
- $0.83–$10.00
- Catalog matched
- 21 compounds
Quality & trust signals
What Peptide.Express' own pages say, with the page and the date we read it. Vendor claims are labeled as such; we have not independently tested products.
- Research-use-only notice
- Yes — the site says: “For laboratory research use only. Not for human or veterinary use.”
- Peptide.Express — site footerChecked
- Testing / COA page
- Yes — a certificate index (27 certificates on record across 20 products on Oct 19, 2026, 3 products awaiting a certificate), with lot, HPLC purity, accession number and lab.
- Peptide.Express — Lab resultsChecked
- Labs named by the vendor
- Freedom Diagnostics, Mistral Diagnostics (named on each certificate in the index).
- Peptide.Express — Lab resultsChecked
- HPLC mentioned
- Certificates list HPLC purity, e.g. Retatrutide 20mg lot PX-L916, 99.97%.
- Peptide.Express — Lab resultsChecked
- Mass spectrometry mentioned
- Product pages state “Independent third-party HPLC and LC-MS/MS are on the Certificate of Analysis.”
- Peptide.Express — product pageChecked
- Endotoxin testing mentioned
- Some certificates in the index show endotoxin and heavy-metal results (e.g. Retatrutide 5mg lot R581826: “Endotoxins pass”).
- Peptide.Express — Lab resultsChecked
- Shipping (vendor-stated)
- “Standard shipping is USPS Priority Mail to US addresses only, typically 3–5 business days”; $7.95 flat, free over $150; same-day dispatch for orders before 2 PM EST on business days.
- Peptide.Express — Shipping & ReturnsChecked
- Payment methods mentioned
- “Venmo and cryptocurrency. Card and wallet checkout is temporarily unavailable.”
- Peptide.Express — FAQChecked
- Returns (vendor-stated)
- “All sales are final once a product has shipped.” Damaged or incorrect orders must be reported within 48 hours of delivery.
- Peptide.Express — FAQChecked
- Business location (vendor-stated)
- Mailing address 8865 Stanford Blvd, Ste 101, Columbia, MD 21045.
- Peptide.Express — ContactChecked
- Volume pricing
- Mix-and-match bulk rewards across any products: 3+ units 5% off, 5+ 10%, 10+ 15%, 20+ 25%; some products also sell 3-, 5- and 10-packs (e.g. Retatrutide 5mg 10-pack $279.99).
- Peptide.Express — Retatrutide product pageChecked
- Institutional bulk supply
- Laboratories can request a bulk or wholesale quote on catalog compounds through the contact form.
- Peptide.Express — Institutional Bulk SupplyChecked
- Rewards
- $1 spent = 1 point, 100 points = $5 off at checkout; referrals earn 5% store credit.
- Peptide.Express — Affiliate & PointsChecked
- Packaging
- Lyophilized vials in temperature-stable insulated packaging, shipped in a plain, unlabeled outer carton.
- Peptide.Express — Shipping & ReturnsChecked
- Regulatory status: FDA warning letter
- None found naming Peptide.Express in FDA's warning-letter records.
- FDA — warning lettersChecked
Peptide.Express prices per mg
Prices listed on Peptide.Express' own product pages on October 19, 2026, for the five compounds we track. Price per mg = listed price ÷ total mg (vials × mg per vial). Research use only.
Compounds in Peptide.Express' catalog (21)
Products in Peptide.Express' public catalog on October 19, 2026 that we matched to a compound profile. Listing is not verification of identity or purity.
BPC-157BPC-157 + TB-500 blendCJC-1295 + ipamorelinDSIPEpithalonGHK-CuhCGIpamorelinKisspeptin-10KLOW blendMelanotan IIMOTS-cPT-141RetatrutideSemaxSermorelinSomatropinSS-31TB-500TesamorelinTirzepatide
Peptide.Express FAQ
Does Peptide.Express publish certificates of analysis (COAs)?
Yes. Peptide.Express' site links a testing or COA page and names Freedom Diagnostics, Mistral Diagnostics. Match any certificate to the lot number on the vial you receive.
Has the FDA sent Peptide.Express a warning letter?
We found no FDA warning letter naming Peptide.Express in fda.gov's warning-letter search on October 19, 2026.
How much does Peptide.Express charge per mg?
On October 19, 2026 its listed prices ranged from $0.83 to $10.00 per mg across 33 products we could verify (BPC-157, TB-500, semaglutide, tirzepatide or retatrutide). See the table on this page.
Where does Peptide.Express ship?
Peptide.Express says: Standard shipping is USPS Priority Mail to US addresses only, typically 3–5 business days”; $7.95 flat, free over $150; same-day dispatch for orders before 2 PM EST on business days.
What payment methods does Peptide.Express mention?
“Venmo and cryptocurrency. Card and wallet checkout is temporarily unavailable.”
Is Peptide.Express legit?
We don't rate vendors. What we can verify: it links a testing page, it names 2 testing labs, and no FDA warning letter found. Its products are sold for research use only.