49 suppliers rated31 with public certificates7 FDA warning letters trackedUpdated October 2026 · How ratings work
Rated Peptides
Shortlist · 14 suppliers · October 2026

Best suppliers that ship internationally

Suppliers that say they will ship outside their home country. Import rules are your responsibility and vary by destination, so read the supplier's shipping page before ordering.

#SupplierOur ratingTestingOpen COAsPer-lotRef. priceBased
Our pick
3Koi Peptideskoipeptides.com3.6/5YesYesYes—USReviewVisit site
8Evolve Peptidesevolvepeptides.com3.4/5YesYesYes$39.90USReviewVisit site
9BioLongevity Labsbiolongevitylabs.com3.3/5YesYesYes—USReviewVisit site
11Peptide Prospeptidepros.net3.3/5LimitedYesYes$47.25USReviewVisit site
16Nexaphnexaph.com3.3/5YesYesNot verified——ReviewVisit site
25Receptor Chemreceptorchem.co.uk3.0/5LimitedYesNot verified—UKReviewVisit site
26Swiss Chemsswisschems.is · FDA warning letter3.0/5YesYesYes—USReviewVisit site
28QSCqscpeptide.com2.9/5LimitedNot verifiedNot verified—CNReviewVisit site
31UK Peptidesuk-peptides.com2.6/5NoYesNot verified—UKReviewVisit site
32Direct Peptidesdirect-peptides.com2.3/5LimitedYesNo——ReviewVisit site
35PureRawzpurerawz.co · FDA warning letter2.1/5LimitedNot verifiedNot verified—USReviewVisit site
38Amino Asylumaminoasylumofficial.com2.0/5LimitedNot verifiedYes—USReviewVisit site
43Trident Peptide UKtridentpeptide.com1.7/5LimitedNot verifiedNot verified—UKReviewVisit site
47Skye Peptidesskyepeptides.com1.4/5Not verifiedNoNot verified—USReviewVisit site

Editorial rating, not user reviews. Stars are the weighted factor score divided by 20. Reference price = the supplier's listed price for BPC-157, 5 mg, where a like-for-like listing exists.

Why Koi Peptides is our pick here

Koi Peptides
#3 overall · koipeptides.com
3.6/5

Koi Peptides is rated 3.6 out of 5 overall: Quality 4.7, Trust 3.2, Value 3.3, Experience 3.5. Koi Research Labs LLC (brand Koi Peptides), stated founded 2022 and 'synthesized and lyophilized in the United States' at an unnamed partner facility; ranked #1 in LearnMuscles' 2026 list. Site claims in-house HPLC/LC-MS plus blind retest at an unnamed ISO/IEC 17025 lab with HPLC, LC-MS, ICP-MS metals, LAL endotoxin and (About page) sterility; the public COA PDF for BPC-157 is from Freedom Diagnostics and shows only HPLC-UV purity, LC-MS identity and net content, so endotoxin/sterility are marked unknown. The BPC-157 product URL now 301-redirects to kylopeptides.com (Kylo Labs LLC, same Sheridan WY registered address, Trustpilot 4.3 from 13 reviews) which names Janoshik, Freedom Diagnostics and Vanguard Laboratory; the relationship is undisclosed on both sites. No 5mg BPC-157 list price verified on koipeptides.com (homepage shows $0.00; Kylo shows 5mg at $19.98 member price only). No FDA warning letter found (search hits are for the unrelated Koi CBD, LLC).

Read our Koi Peptides review

Questions buyers ask

Who is our pick for suppliers that ship internationally?

Koi Peptides, rated 3.6 out of 5, with Evolve Peptides next at 3.4. These are editorial ratings from our published formula, not user reviews.

How did these suppliers get on the list?

We filtered the full rated table by one fact that appears on each supplier's own pages. Nothing is re-weighted for the category; the stars are the same ones shown everywhere else on the site.

Can I buy these products for personal use?

Every supplier on this list sells materials labeled for laboratory research use only. We rate suppliers, documents and policies, and we do not describe or endorse any other use.