Seller record · Research vendor

Xcel Peptides

By Peptide Alliance, Editorial publisherRecorded September 2026 · Standard v1.1 · How checks are performed

1 of 8 criteria could be checked against Standard v1.1, and it passes. 7 are not verified and count neither way.

At a glance

Xcel PeptidesResearch vendor

1/8criteria passed
Price
Not yet recorded
FDA letters
1 on file

No storefront is open to link to.

See all eight dispositions

Research vendor. Passes 1 of 8 criteria. 7 not verified, counting neither way. Recorded against Standard v1.1.

A research peptide storefront whose whole catalog sits behind an account. Every page redirects to a sign-in telling the visitor that an account gives access to the research use only catalog, so its catalog is not visible without an account.

Dispositions

CodeCriterionDispositionWhere it appears
S1Prescriber requirementNOT VERIFIEDXcel Peptides' website
S2Prescription gatingNOT VERIFIEDXcel Peptides' website
S3Pharmacy identificationNOT VERIFIEDXcel Peptides' website
S4Compounding disclosureNOT VERIFIEDXcel Peptides' website
S5Analytical documentationNOT VERIFIEDXcel Peptides' website
S6Business addressNOT VERIFIEDXcel Peptides' website
S7Price disclosureNOT VERIFIEDXcel Peptides' website
S8Enforcement statusPASSFDA warning-letter index

Evidence, criterion by criterion

The evidence behind each disposition in the table above, where it appears, and its date.

S1S2S3S4S5S6S7NOT VERIFIEDEvery page tried, including the terms and the contact page did not resolve, because each one redirects to a sign-in that gates the research use only catalog. The check is open.Source: Xcel Peptides' website.
S8PASSFDA warning letter 694608, December 2024, names Xcel Research LLC over the peptide products offered from this domain and alleges they are unapproved new drugs. No FDA action has halted the business, and the seller still trades.Source: FDA warning-letter index.

Enforcement documents on file: 1 warning letter

FDA warning letter 694608, issued December 2024, to Xcel Research LLCThe peptide products offered from Xcel Peptides' website are unapproved new drugs intended for human use, despite research-only labeling.

A warning letter alleges violations and requests a response. It does not halt a business, and it does not remove a seller from this ledger. Every letter recorded here.

Dispositions recorded against Standard v1.1. Method and null semantics: how checks are performed. This record is not a review and contains no medical advice.