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Prices read Nov 9, 2026

Peptide store fraud warnings, and how to check a domain before you pay

Every warning below names its source and the date we checked it, with a link. PeptidesGrid has not tested these sites itself. If a store's domain isn't on this page, that doesn't make it safe: use the checks at the bottom.

Domains with fraud warnings

Finnrick warnings about vendors

Regulator actions naming listed store domains

Official documents (FDA warning letters, a Justice Department case) that name one of these domains exactly. Quoted from the official document; three dots (...) mark words left out. A letter states the agency's view when it was sent; it is not a court finding. What a warning letter means.

peptide.partners

  • Warning Letter to Peptide Partners LLC (MARCS-CMS 735063), FDA, Aug 24, 2026 (checked Sep 25, 2026): Violations were identified and documented during a review of your website https://peptide.partners/ in July 2026. Based on our review,“GLP-1 S (Semaglutide),” (words left out) are unapproved new drugs under section 505(a) of the Federal Food, Drug, and Cosmetic Act (FD&C Act), 21 U.S.C. 355(a). official source

royal-peptides.com

  • Warning Letter to Royal Peptides LLC (MARCS-CMS 734884), FDA, Aug 24, 2026 (checked Sep 25, 2026): Violations were identified and documented during a review of your website royal-peptides.com in July 2026. Based on our review, “Tirzepatide,” “Semaglutide,” “Retatrutide,” (words left out) are unapproved new drugs under section 505(a) of the Federal Food, Drug, and Cosmetic Act (FD&C Act), 21 U.S.C. 355(a). official source

nusciencepeptides.com

  • Warning Letter to NuScience Peptides LLC (MARCS-CMS 733652), FDA, Aug 24, 2026 (checked Sep 25, 2026): Violations were identified and documented during a review of your website nusciencepeptides.com in July 2026. Based on our review, “GLP-2 Tirz Peptide,” “GLP-1 Sema Research Peptide,” (words left out) are unapproved new drugs under section 505(a) of the Federal Food, Drug, and Cosmetic Act (FD&C Act), 21 U.S.C. 355(a). official source

paradigmpeptides.com

  • United States v. Matthew Kawa (case information page), U.S. Justice Department, Aug 3, 2026 (checked Sep 25, 2026): The business operated a website at “paradigmpeptides.com.” (words left out) federal investigators also believe that the SARM, hCG, and peptide products sold by Paradigm Peptides were new drugs unapproved by the Food and Drug Administration (“FDA”). (words left out) On July 30, 2026, defendant Matthew Kawa was sentenced by the Court. official source
  • Warning Letter to Paradigm RE LLC (MARCS-CMS 612014), FDA and FTC, Dec 7, 2020 (checked Sep 25, 2026): the United States Food and Drug Administration (FDA) and the Federal Trade Commission (FTC) reviewed your website at the Internet address https://paradigmpeptides.com/ on November 24, 2020, and December 1, 2020, respectively. (words left out) Based on our review, this product is an unapproved new drug sold in violation of section 505(a) of the Federal Food, Drug, and Cosmetic Act (FD&C Act) official source

purerawz.co

  • Warning Letter to PureRawz (MARCS-CMS 715218), FDA, Sep 8, 2025 (checked Sep 25, 2026): the United States Food and Drug Administration (FDA) reviewed your website at the internet address https://purerawz.co in August 2025 (words left out) Based on our review, your Tianeptine products are unapproved new drugs introduced or delivered for introduction into interstate commerce in violation of sections 505(a) and 301(d) of the Federal Food, Drug, and Cosmetic Act (FD&C Act) official source

swisschems.is

  • Warning Letter to Swisschems (MARCS-CMS 695663), FDA, Dec 10, 2024 (checked Sep 25, 2026): the United States Food and Drug Administration (FDA) reviewed your website at the Internet address https://swisschems.is/ in October 2024 and has observed that your website offers “Semaglutide” and “Retatrutide” products for sale in the United States. (words left out) your “Semaglutide” and “Retatrutide” products are unapproved new drugs introduced or delivered for introduction into interstate commerce in violation of sections 505(a) and 301(d) of the Federal Food, Drug, and Cosmetic Act (FD&C Act) official source

Store notices: closing, closed, delayed or not taking orders on the site

How to check a peptide store's domain before you pay

  1. Type the domain into the search box above. Every domain we know has a page showing which vendor runs it, when we can tell, and any warning about it.
  2. Compare letter by letter. Lookalikes differ by one letter, a hyphen, an extra word like "official", "usa" or "lab", or a different ending (.com, .net, .co, .shop).
  3. Check what the vendor's own site names as official. Many vendors publish a page listing their real domains and the ones that are not theirs.
  4. Look for a copied catalog. Identical product photos, prices and text on a second domain are a warning sign, even when the site looks professional.
  5. Be careful with crypto-only payment on a new domain. Crypto payments can't be reversed, so a site that only takes crypto and appeared recently is a higher risk.
  6. Tell the next buyer. If a site took your money and sent nothing, report it here with your evidence.

The full guide to checking a store domain has examples. Sources change their pages; we keep a dated copy of the pages a warning relies on when we can read them. Run one of these domains and think a warning is wrong? Ask for a review.