https://ratedpeptides.org/Honest ratings for research peptide suppliers. Editorial star ratings for research peptide suppliers, not user reviews.https://ratedpeptides.org/reviews/xcel-peptides/https://ratedpeptides.org/reviews/xcel-peptides/Mon, 19 Oct 2026 00:00:00 GMTXcel Peptides, a trade name of Xcel Research LLC in Sheridan, WY, gates every page behind a login and received an FDA warning letter dated December 10, 2024.https://ratedpeptides.org/reviews/verified-peptides/https://ratedpeptides.org/reviews/verified-peptides/Mon, 19 Oct 2026 00:00:00 GMTVerified Peptides sends every batch to Janoshik and links live verify records (BPC-157 10mg at $53), while Finnrick reports 18 of 36 independent tests passed.https://ratedpeptides.org/reviews/usa-peptides/https://ratedpeptides.org/reviews/usa-peptides/Mon, 19 Oct 2026 00:00:00 GMTUSA Peptides LLC sells 16 pre-mixed 5 mL vials at flat $125 and $199 prices, claims Third-Party Tested but publishes no COA, lab name or purity figure anywhere.https://ratedpeptides.org/reviews/us-peptides/https://ratedpeptides.org/reviews/us-peptides/Mon, 19 Oct 2026 00:00:00 GMTUS Peptides of Tarpon Springs, FL sells 15 vial products with BPC-157 5mg at $46.39, publishes no COAs or lab names, and accepts no returns.https://ratedpeptides.org/reviews/umbrella-labs/https://ratedpeptides.org/reviews/umbrella-labs/Mon, 19 Oct 2026 00:00:00 GMTUmbrella Labs (Tucson, AZ) posts an open COA index from MZ BioLabs and Vanguard Laboratory, ships free in the US and holds a May 18, 2021 FDA warning letter.https://ratedpeptides.org/reviews/uk-peptides/https://ratedpeptides.org/reviews/uk-peptides/Mon, 19 Oct 2026 00:00:00 GMTUK Peptides, trading since 2012 as Starflex Systems Limited of Middlesbrough, sells 79 vials with BPC-157 5mg at GBP 16.95 and uses no third-party lab testing.https://ratedpeptides.org/reviews/trident-peptides/https://ratedpeptides.org/reviews/trident-peptides/Mon, 19 Oct 2026 00:00:00 GMTTrident Peptide UK sells BPC-157 5mg at GBP 12.95 with Royal Mail next-day delivery, but names no lab, lists no legal entity and takes bank transfer only.https://ratedpeptides.org/reviews/swole-af-labs/https://ratedpeptides.org/reviews/swole-af-labs/Mon, 19 Oct 2026 00:00:00 GMTSwole AF Labs no longer exists as a store: swoleaflabs.com redirects to rcs-research.is, a gated RCS Research site with no public catalog, prices or COAs.https://ratedpeptides.org/reviews/swiss-chems/https://ratedpeptides.org/reviews/swiss-chems/Mon, 19 Oct 2026 00:00:00 GMTSwiss Chems lists 126 Janoshik lab reports and ships free over $100, but got an FDA warning letter dated December 10, 2024 and charges a 15% restocking fee.https://ratedpeptides.org/reviews/strate-labs/https://ratedpeptides.org/reviews/strate-labs/Mon, 19 Oct 2026 00:00:00 GMTStrate Labs appears closed: stratelabs.ca no longer resolves and stratelabs.is redirects to GL Peptides. Community posts in May and June 2026 report a closure.https://ratedpeptides.org/reviews/sports-technology-labs/https://ratedpeptides.org/reviews/sports-technology-labs/Mon, 19 Oct 2026 00:00:00 GMTSports Technology Labs of Shelton, CT names MZ Biolabs and Colmaric Analyticals, posts open COAs, prices BPC-157 5mg at $54.99 and offers a 60-day guarantee.https://ratedpeptides.org/reviews/skye-peptides/https://ratedpeptides.org/reviews/skye-peptides/Mon, 19 Oct 2026 00:00:00 GMTSkye Peptides is a login-walled Los Angeles storefront with no public products or COAs; Trustpilot shows 3.8 from 50 reviews, Finnrick 48 of 93 tests passed.https://ratedpeptides.org/reviews/simple-peptide/https://ratedpeptides.org/reviews/simple-peptide/Mon, 19 Oct 2026 00:00:00 GMTSimple Peptide, run by Melex Technologies Inc. in Delray Beach, FL, names Freedom Diagnostics Testing as its lab and gives a 30-day refund; prices need sign-in.https://ratedpeptides.org/reviews/science-bio/https://ratedpeptides.org/reviews/science-bio/Mon, 19 Oct 2026 00:00:00 GMTScience.bio has permanently closed; its homepage shows a closure notice warning that any successor is fraudulent. Finnrick places the shutdown in January 2026.https://ratedpeptides.org/reviews/research-peptides/https://ratedpeptides.org/reviews/research-peptides/Mon, 19 Oct 2026 00:00:00 GMTResearch Peptides sells 27 products with BPC-157 10mg at $68.99, tests in-house with no independent lab, and states it is registered in Panama with no address.https://ratedpeptides.org/reviews/receptor-chem/https://ratedpeptides.org/reviews/receptor-chem/Mon, 19 Oct 2026 00:00:00 GMTReceptor Chem, a London research-chemical house est. 2011, sells BPC-157 at GBP 19.99 to 29.99 with free UK and US shipping over GBP 99 and a 14-day guarantee.https://ratedpeptides.org/reviews/rats-army/https://ratedpeptides.org/reviews/rats-army/Mon, 19 Oct 2026 00:00:00 GMTRats Army is gone: rats.army shows only a parked domain-for-sale page. One third-party page puts the closure in April 2022 and the base in Kalispell, MT.https://ratedpeptides.org/reviews/qsc-qingdao-sigma-chemical/https://ratedpeptides.org/reviews/qsc-qingdao-sigma-chemical/Mon, 19 Oct 2026 00:00:00 GMTQSC (Qingdao Sigma Chemical) is a Chinese bulk supplier claiming 75+ products and Janoshik-verifiable COAs; its order domain failed DNS during our check.https://ratedpeptides.org/reviews/purerawz/https://ratedpeptides.org/reviews/purerawz/Mon, 19 Oct 2026 00:00:00 GMTPureRawz of Knoxville, TN got an FDA warning letter dated September 8, 2025, and its site returned HTTP 403 during our check, so most fields are unverified.https://ratedpeptides.org/reviews/pure-peptide-labs/https://ratedpeptides.org/reviews/pure-peptide-labs/Mon, 19 Oct 2026 00:00:00 GMTPure Peptide Labs of Cedar Park, TX publishes 126 batch certificates across 61 products and ships free in the US, but hides all prices behind a free account.https://ratedpeptides.org/reviews/proven-peptides/https://ratedpeptides.org/reviews/proven-peptides/Mon, 19 Oct 2026 00:00:00 GMTProven Peptides is offline: provenpeptides.com returned HTTP 522 on three fetches on 2026-10-19, and a review site reports it went dark in late 2024.https://ratedpeptides.org/reviews/prime-peptides/https://ratedpeptides.org/reviews/prime-peptides/Mon, 19 Oct 2026 00:00:00 GMTPrime Peptides of Santa Barbara, CA publishes 49 lot-level certificates across 22 products and received an FDA warning letter dated December 10, 2024.https://ratedpeptides.org/reviews/polaris-peptides/https://ratedpeptides.org/reviews/polaris-peptides/Mon, 19 Oct 2026 00:00:00 GMTPolaris Peptides is a members-only US storefront; catalog, prices and COAs sit behind sign-up. Its Trustpilot profile shows 4.2 from 35 reviews as of Oct 2026.https://ratedpeptides.org/reviews/pharma-grade-peptides/https://ratedpeptides.org/reviews/pharma-grade-peptides/Mon, 19 Oct 2026 00:00:00 GMTPharma Grade Peptides hides prices and COAs behind a login, lists 42 products, and Finnrick reports 15 of 18 independent tests failed as of June 2026.https://ratedpeptides.org/reviews/peptide-warehouse/https://ratedpeptides.org/reviews/peptide-warehouse/Mon, 19 Oct 2026 00:00:00 GMTPeptide Warehouse lists BPC-157 5mg at $52.99 with batch COAs carrying Freedom Diagnostics accession numbers, but publishes no address, phone or email.https://ratedpeptides.org/reviews/peptide-sciences/https://ratedpeptides.org/reviews/peptide-sciences/Mon, 19 Oct 2026 00:00:00 GMTPeptide Sciences of Henderson, NV shut down voluntarily on March 6, 2026; its homepage returned HTTP 403 on 2026-10-19 and no refund plan was reported.https://ratedpeptides.org/reviews/peptide-pros/https://ratedpeptides.org/reviews/peptide-pros/Mon, 19 Oct 2026 00:00:00 GMTPeptide Pros, online since 2013 and based in Miami Beach, FL, lists BPC-157 5mg at $47.25 and publishes MZ Biolabs COAs, though the newest are dated 2023.https://ratedpeptides.org/reviews/peptide-perfection/https://ratedpeptides.org/reviews/peptide-perfection/Mon, 19 Oct 2026 00:00:00 GMTPeptide Perfection sells about 10 prefilled pen products from St. Petersburg, FL, with per-lot Vanguard Laboratory certificates and free shipping over $150.https://ratedpeptides.org/reviews/peptide-crafters/https://ratedpeptides.org/reviews/peptide-crafters/Mon, 19 Oct 2026 00:00:00 GMTPeptide Crafters hides its shop, prices and lab reports behind a login wall; it ships free 2nd Day Air over $250 and Finnrick reports 39 passes in 60 tests.https://ratedpeptides.org/reviews/paramount-peptides/https://ratedpeptides.org/reviews/paramount-peptides/Mon, 19 Oct 2026 00:00:00 GMTParamount Peptides (Irvine, CA) links a lot-numbered Janoshik COA on its BPC-157 page, sells BPC-157 only as a 10mg vial at $75 and ships free FedEx from $500.https://ratedpeptides.org/reviews/paradigm-peptides/https://ratedpeptides.org/reviews/paradigm-peptides/Mon, 19 Oct 2026 00:00:00 GMTParadigm Peptides shut down in March 2024; its owner was sentenced in July 2026 after admitting forged certificates, and the FDA sent a warning letter in 2020.https://ratedpeptides.org/reviews/nuscience-peptides/https://ratedpeptides.org/reviews/nuscience-peptides/Mon, 19 Oct 2026 00:00:00 GMTNuScience Peptides received an FDA warning letter dated August 24, 2026, posts about 50 COAs with no lab name and lists BPC-157 from $34.99, free over $200.https://ratedpeptides.org/reviews/nexaph/https://ratedpeptides.org/reviews/nexaph/Mon, 19 Oct 2026 00:00:00 GMTNexaph sells mostly 10-vial kits (BPC-157 10mg x10 at $152), names Janoshik Laboratory and runs a public COA portal, but its about page names a Shanghai entity.https://ratedpeptides.org/reviews/modern-aminos/https://ratedpeptides.org/reviews/modern-aminos/Mon, 19 Oct 2026 00:00:00 GMTModern Aminos blocked our check with HTTP 403; its US Trustpilot profile is removed and Finnrick ties the brand to a Wyoming registered-agent LLC.https://ratedpeptides.org/reviews/loti-labs/https://ratedpeptides.org/reviews/loti-labs/Mon, 19 Oct 2026 00:00:00 GMTLoti Labs lists BPC-157 5mg at $49.99 with free shipping over $99, same-day dispatch and a 30-day unopened refund, but names no lab and publishes no address.https://ratedpeptides.org/reviews/limitless-life-nootropics/https://ratedpeptides.org/reviews/limitless-life-nootropics/Mon, 19 Oct 2026 00:00:00 GMTLimitless Biotech (Limitless Life Nootropics) posts lot-level purity, sterility and endotoxin COAs for 8 BPC-157 lots but hides prices behind an application.https://ratedpeptides.org/reviews/licensed-peptides/https://ratedpeptides.org/reviews/licensed-peptides/Mon, 19 Oct 2026 00:00:00 GMTLicensed Peptides (Boca Raton, FL) names two ISO/IEC 17025 labs, keeps per-lot COA, endotoxin and solvent libraries and ships free FedEx 2-Day over $200.https://ratedpeptides.org/reviews/liberty-peptides/https://ratedpeptides.org/reviews/liberty-peptides/Mon, 19 Oct 2026 00:00:00 GMTLiberty Peptides (Wilmington, DE) posts a 71-entry COA library with endotoxin data and ships free over $200, but names no lab; Finnrick reports 7 passes of 19.https://ratedpeptides.org/reviews/koi-peptides/https://ratedpeptides.org/reviews/koi-peptides/Mon, 19 Oct 2026 00:00:00 GMTKoi Peptides (Koi Research Labs LLC, founded 2022) runs a lot-searchable COA library with Freedom Diagnostics PDFs and ships free over $200 from the US.https://ratedpeptides.org/reviews/geo-peptides/https://ratedpeptides.org/reviews/geo-peptides/Mon, 19 Oct 2026 00:00:00 GMTGeo Peptides, a Florida seller since 2013, lists BPC-157 5mg at $33.99 on sale with free shipping over $150; its 14 COA images carry no lab name, lot or date.https://ratedpeptides.org/reviews/extreme-peptides/https://ratedpeptides.org/reviews/extreme-peptides/Mon, 19 Oct 2026 00:00:00 GMTExtreme Peptides, trading since 2010, sells BPC-157 5mg at $48.99 with free shipping over $99 and takes card, Bitcoin and ACH; its COA names no lab.https://ratedpeptides.org/reviews/evolve-peptides/https://ratedpeptides.org/reviews/evolve-peptides/Mon, 19 Oct 2026 00:00:00 GMTEvolve Peptides names Chromate, Janoshik and MZ Biolabs, lists BPC-157 5mg at $39.90 on sale and offers a 200% purity guarantee, with two different addresses.https://ratedpeptides.org/reviews/eternal-peptides/https://ratedpeptides.org/reviews/eternal-peptides/Mon, 19 Oct 2026 00:00:00 GMTEternal Peptides returned HTTP 503 at our check; Finnrick reports 10 passes and 18 fails in 28 independent tests, and its Trustpilot profile has been removed.https://ratedpeptides.org/reviews/enhanced-peptides/https://ratedpeptides.org/reviews/enhanced-peptides/Mon, 19 Oct 2026 00:00:00 GMTEnhanced Peptides ships free on every US order and takes card, crypto and Zelle, but shows no COA or lab behind its 99%+ HPLC claim; its blend is $105.https://ratedpeptides.org/reviews/elite-peptides/https://ratedpeptides.org/reviews/elite-peptides/Mon, 19 Oct 2026 00:00:00 GMTElite Peptides sells BPC-157 5mg at $39.99 with buy-one-get-one offers and free shipping over $149, but publishes no COA, lab name, payment methods or contacts.https://ratedpeptides.org/reviews/direct-peptides/https://ratedpeptides.org/reviews/direct-peptides/Mon, 19 Oct 2026 00:00:00 GMTDirect Peptides prices in GBP, ships to about 40 countries and sells vials, pens, nasal sprays and capsules, but shows one 2023 certificate and no address.https://ratedpeptides.org/reviews/core-peptides/https://ratedpeptides.org/reviews/core-peptides/Mon, 19 Oct 2026 00:00:00 GMTCore Peptides (Orlando, FL) posts lot-level COA PDFs from A2LA-accredited Vanguard Laboratory, lists BPC-157 5mg at $52 and ships USPS Priority free over $200.https://ratedpeptides.org/reviews/chemyo/https://ratedpeptides.org/reviews/chemyo/Mon, 19 Oct 2026 00:00:00 GMTChemyo LLC permanently closed on September 8, 2026 per its own site notice, takes no payments and warns that any other site using its name is an impersonator.https://ratedpeptides.org/reviews/blue-sky-peptide/https://ratedpeptides.org/reviews/blue-sky-peptide/Mon, 19 Oct 2026 00:00:00 GMTBlue Sky Peptide, established 2013, offers 65 downloadable HPLC/MS COAs, BPC-157 5mg at $42.87 on sale and free shipping over $75, with no contact details.https://ratedpeptides.org/reviews/biotech-peptides/https://ratedpeptides.org/reviews/biotech-peptides/Mon, 19 Oct 2026 00:00:00 GMTBiotech Peptides, trading since 2019, posts per-lot MZ Biolabs COA images and lists BPC-157 5mg at $52, but publishes no address, phone or payment methods.