Peptide Confidential and American Peptides tie on our transparency method (7.6 each), for opposite reasons. Peptide Confidential names its lab on every lot record, prints a lookup code on every vial and keeps rejected and withdrawn lots public, but it's a Calgary business with no legal entity on its site. American Peptides publishes its LLC, ships inside the US and has the larger lookup (126 lot-matched certificates), but names its lab only on its homepage. Neither has independent test data. American Peptides is #1 and Peptide Confidential #7 in our editors' order, which isn't sorted by score.
Notice: Research peptides are sold for in-vitro laboratory research only. They are not FDA-approved, not for human or animal consumption, and this page is not medical advice. This comparison covers supplier transparency only, based on public documentation. We didn't purchase or test products.
Side-by-side
| Peptide Confidential | American Peptides | |
|---|---|---|
| Transparency score (method) | 7.6 | 7.6 |
| Overall score | 7.6 | 9.1 |
| Based in | Calgary, Alberta, Canada; founder named; no legal entity | American Peptides LLC, Shreveport, LA |
| Domain registered | July 10, 2026 (RDAP) | February 21, 2026 |
| Lot records | 32, including 5 rejected and 2 withdrawn | 126 lot-matched PDFs |
| Lookup | Code on the vial opens the lot record | Verify page by lot number |
| Lab named | Peptide Test Canada, Testides, on every record | Bioviridian, on homepage only |
| Finnrick | No profile | Profile, 0 tests |
| Prices charged in | Canadian dollars | US dollars |
| Free shipping | Orders of CA$200+ | Orders over $300 |
| Payment (US orders) | Card, crypto | Cards, ACH/wire, crypto |
| Returns | No change of mind; damaged, lost or lab mismatch replaced | All sales final |
| Coupon code | None (automatic multi-vial discount) | None (20% sign-up offer) |
COAs and labs
Both vendors let you go from the vial in your hand to its certificate, which is the most useful check a buyer can run.
Peptide Confidential puts the lab name, test date and purity on each lot's public record and links the lab's document. It also keeps the lots it rejected or pulled from sale on the same page, which no other vendor on our list does. Two cautions: the record copies only the purity figure, so you need the PDF for identity and content, and the current tesamorelin and GLP3 RT 30 mg records were corrected on October 8 and 11, 2026 to "lot not confirmed" (review).
American Peptides says on its homepage that every batch is verified by Bioviridian, but its COA page and lookup don't name a lab, and the PDFs we opened weren't machine-readable (review). To rely on one, check it against Bioviridian's own search.
See how to read a peptide COA.
Business transparency
American Peptides publishes its legal entity and city. Peptide Confidential names its founder, Troy White, and publishes a Calgary phone number, WhatsApp and email, but no entity or street address. Both domains are from 2026.
Labeling
Both carry strict research-use terms. Peptide Confidential records a research-use declaration with every order and won't answer use questions, but sells retatrutide under the code "GLP3 RT." American Peptides loses points for consumer-style names such as an "ASCEND Bundle - Metabolic + Glow Up Research Stack" and "Brain-Fuel" dissolving strips.
Price check
| Item | Peptide Confidential (Oct 13, 2026) | American Peptides (Sep 26, 2026) |
|---|---|---|
| MOTS-c 10 mg | CA$50 (about $35.04) | $100 list |
| TB-500 10 mg | CA$60 (about $42.04) | $100 list |
| Tesamorelin 10 mg | CA$69 (about $48.35) | $120 |
| Epitalon 10 mg | CA$55 (about $38.54) | $60 |
Peptide Confidential is cheaper on every item we could match, before its automatic multi-vial discount. US buyers pay in Canadian dollars and take the customs risk below.
Shipping to US addresses
American Peptides ships from Louisiana, processes in 24-48 business hours and ships free over $300. Peptide Confidential aims to ship the same business day from Calgary by Canada Post international service. It doesn't quote a US delivery window, the buyer is the importer, and a parcel customs holds or seizes isn't refunded or reshipped (shipping policy). See peptide shipping and customs.
Independent testing
Neither vendor has community test data yet. Finnrick showed American Peptides with a profile and 0 tests, and had no profile for Peptide Confidential on October 13, 2026. Every certificate on both sites was commissioned by the vendor, which chooses the sample it sends, so matching your lot and checking the document with the lab are the checks you can run yourself. See what is Finnrick?
Which should you choose?
- Choose Peptide Confidential if you want the lab named on your lot's record, a public history that includes failed lots, and lower prices, and you accept a cross-border shipment. Visit Peptide Confidential.
- Choose American Peptides if you want a US-based seller with a published LLC and no customs step. Visit American Peptides.
Either way, open the certificate for your exact lot. Neither has independent test data yet.