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24 vendors

Retatrutide vendor reviews

One page per vendor, with each fact behind its score and a link to where we found it. Listed in ranking order: our sponsored partner first, then everyone else by score.

  1. 1LeoLabSponsoredUS storefront of the LeoLab peptide brand selling retatrutide in seven strengths (10–60 mg, $150–$645), checkout restricted to US addresses and shipped by USPS. Four retatrutide Janoshik reports (Feb 2025–Oct 2025) are published and all four match their Janoshik verification records.Checked October 1, 2026
  2. 2American PeptidesLouisiana LLC shipping from Shreveport that sells retatrutide as "RETA-GLP3" in 10, 20, 30, 48 and 60mg vials. Each strength has a Bioviridian lab report (June and August 2026) that can be pulled up on the lab's site.Checked October 1, 2026
  3. 3BioCollex ResearchMaryland LLC selling retatrutide as "GLP-3 RT" in 10mg, 20mg and 30mg vials (1–5 vial packs) with US shipping. Freedom Diagnostics reports from January and April 2026 name the compound retatrutide / GLP RT; checkout takes only Zelle, Venmo and Cash App.Checked October 1, 2026
  4. 4GenPeptideIndiana-based WooCommerce shop (operated by Debonaire LLC d/b/a GP Research) selling retatrutide as "Reta-GP (GLP-3RT)" in 6, 10, 12, 24 and 48 mg vials and 5-vial kits, shipped from the US mainly via UPS. Recent Janoshik reports (September 2026) cover the 6 mg and 10 mg batches, plus endotoxin, heavy-metal and sterility tests.Checked October 1, 2026
  5. 5GigaCompoundsSells retatrutide under the code name "GC-RT" in 10mg, 20mg and 30mg vials, shipped FedEx 2-Day from Richmond, Virginia. Janoshik reports name the compound retatrutide; the latest (30mg batch) was analyzed August 13, 2026.Checked October 1, 2026
  6. 6Ion PeptideUS shop (Great Research LLC, New Mexico; Ion Research LLC, Georgia) selling ION-3R, which the product page names as LY-3437943, in nine sizes from 5 to 100 mg ($39–$299.95). It publishes many dated Freedom Diagnostics and Kovera reports; the newest (September 2026) match the copies on the lab's own site.Checked October 1, 2026
  7. 7Midwest PeptideMidwest Peptide (Midwest BioResearch LLC, Mission, Kansas) sells retatrutide as "GLP-3 RT" in 10mg, 20mg and 30mg vials and ships within the US only. Each strength has a 2026 lab report (ILS Laboratories for 10mg, Precision Mass Spec for 20mg and 30mg) that we confirmed on the labs' own verification pages.Checked October 1, 2026
  8. 8Platinum Lion PeptidesWooCommerce shop selling retatrutide as 'GLP-3(R)' in 10mg, 20mg, 30mg and 60mg vials. It ships by FedEx from a California fulfillment center, with free 2-day shipping over $250. Recent ILS Laboratories reports for the 10mg, 20mg and 30mg lots (June–July 2026) name the sample as retatrutide and matched the lab's verify portal.Checked October 1, 2026
  9. 9Pure U.S. PeptidesCustom-built shop (Next.js) that sells retatrutide as 'GLP3-R' (named on the product page as retatrutide, LY3437943) in 10mg, 20mg, 30mg and 60mg vials, with free US shipping by USPS Priority or UPS Ground. Each strength has a Vanguard Laboratory report dated February 19, 2026, which names the sample 'GLP-3' and could not be checked on the lab's site.Checked October 1, 2026
  10. 10Purgo LabsScottsdale, Arizona shop selling retatrutide as 'GLP-3 R' in 10, 15, 20, 30 and 60 mg vials ($59.99–$219.99), shipped by UPS. It posts lot-specific ILS Laboratories and Freedom Diagnostics reports. We matched three ILS reports on the lab's own verification portal, and the lab confirms retatrutide identity.Checked October 1, 2026
  11. 11RNX ResearchConnecticut-registered shop selling one retatrutide product (RNX-RT 10mg, $49) with free ground shipping inside the US. Its newest retatrutide lot has an ILS Laboratories report that we confirmed on the lab's own verification portal.Checked October 1, 2026
  12. 12Apollo Peptide SciencesCalifornia LLC selling retatrutide as "GLP-3 R" in 10mg, 15mg, 30mg and 60mg vials (plus boxes of 10), shipping USPS Priority within the USA. Each strength has a Janoshik report issued to Apollo Peptide Sciences (April–August 2026) shown in the product image gallery.Checked October 1, 2026
  13. 13Arizona PeptidesArizona-based shop selling retatrutide under the name "AP-Reta" in 10mg, 20mg and 25mg vials, shipping within the USA only. Retatrutide lab reports from MZ Biolabs (December 2025) and Bioviridian (June 2026, verifiable on the lab's site) are posted on its COA page.Checked October 1, 2026
  14. 14Crownwell ResearchFlorida-based WooCommerce shop selling retatrutide as "GLP-R" / "GLP3-Reta" in 10, 20, 30 and 40 mg vials plus 2-vial and 10-vial kits, shipping only within the US. Freedom Diagnostics reports from February 2026 cover 10, 15 and 30 mg lots and match the lab's own COA database.Checked October 1, 2026
  15. 15HelixCore BiotechSells retatrutide under the code name "GLP-3 RT" in 10mg, 15mg and 30mg vials and ships from the USA by USPS Priority or UPS Ground. Its posted Janoshik reports (April 2026) name retatrutide, but list the client and manufacturer only as "G", not HelixCore.Checked October 1, 2026
  16. 16Merit SciencesSells retatrutide by name ("RT3 - LY3437943", CAS 2381089-83-2) in 10mg and 30mg vials, shipped from Texas within the USA. Its latest ILS Laboratories reports (July 30, 2026) were confirmed on the lab's verification portal.Checked October 1, 2026
  17. 17One AminosOne Aminos (One Aminos LLC, a Maryland LLC; product said to be lyophilized in Clearwater, Florida) sells retatrutide as "GLP-3RT" in 10mg, 20mg and 30mg vials plus 10-vial kits, with free US shipping over $200. One report (10mg, September 2026) from United Laboratories is published and matched the lab's online register.Checked October 1, 2026
  18. 18Peptide FoundryPeptide Foundry LLC sells retatrutide under the code name 'GLP-3' in 10mg and 20mg vials, with free UPS shipping inside the US only. The 10mg lot has a Freedom Diagnostics report (tested September 6, 2026) that names the sample 'Retatrutide 10mg' and matched the lab's own lookup.Checked October 1, 2026
  19. 19Red Rock PeptidesSt. George, Utah peptide shop selling retatrutide in 10, 20, 30, 40 and 50 mg vials, with local courier delivery in Washington County and nationwide shipping. Product pages show Janoshik reports from October 2025 issued to the supplier Crest Peptide; the 40 mg and 50 mg pages reuse the 30 mg report.Checked October 1, 2026
  20. 20Voltera SciencesUS shop selling retatrutide as 'VLS-3RT' in 10, 20, 30 and 60 mg vials ($69.99–$215.99). ILS Laboratories reports for all four sizes (May–July 2026) checked out on the lab's portal. Product pages, the COA library and checkout need a free account.Checked October 1, 2026
  21. 21Zenergy USAUS-only shop with a Georgia mailing address selling 'ZEN 3 RT' in eight sizes from 5 to 60 mg ($75–$199). Its newest 30 mg report from Horizon Analytical (September 22, 2026) identifies retatrutide and is listed on the lab's verification site. Kovera reports for other sizes name the compound only as 'ZEN-3'.Checked October 1, 2026
  22. 22Lost Coast AminosSells retatrutide under the code name "LCA-R3" in eight vial sizes from 10mg to 60mg; lab reports from Kovera Labs (verified on the lab's site) and Freedom Diagnostics name the compound retatrutide. The site gives no legal entity, address or shipping origin, and ordering requires a free research account.Checked October 1, 2026
  23. 23NuLab PeptidesNuLab Peptides (American Fork, Utah) sells retatrutide as "GLP3-RT" in 10mg, 20mg, 30mg and 40mg vials plus 10-vial kits, shipping within the US. One retatrutide lab report (30mg, Freedom Diagnostics, May 2026) is published and confirmed on the lab's server; reports for the other strengths are listed as coming soon.Checked October 1, 2026
  24. 24REVYV ScienceIdaho WooCommerce shop selling retatrutide as 'GLP3-RT' in 10, 20, 30 and 60 mg vials ($85–$250). Its Janoshik reports (December 2025 to June 2026) identify retatrutide, but they were ordered by its manufacturer (ZEN-PEPTIDE / Jujo's juice bar), not by Revyv, and carry no Revyv batch numbers.Checked October 1, 2026