Seller record · americanpeptides.us

American Peptides

By Paul Harris, Standards EditorRecorded September 2026 · Standard v1.1 · How checks are performed

Fails 4 of 8 criteria. S1, prescriber requirement: No clinician appears anywhere on the site, and the terms sell every product for laboratory research only, never for human use. 3 more criteria also fail; see the table below.

At a glance

American Peptidesamericanpeptides.us

4/8criteria passed

Price: Not printed before a consultation or sign-up
Sells: retatrutide, research-grade semaglutide, research-grade tirzepatide, and 16 more
FDA letters: None on file

Visit American Peptides See all eight dispositions

Research vendor. Passes 4 of 8 criteria. Recorded against Standard v1.1.

A Shreveport, Louisiana research peptide store selling retatrutide, semaglutide, tirzepatide and about seventy other compounds, vials, sprays and dissolving strips. Every page opens behind a researcher access screen that asks for an email address before the catalog and its prices appear.

Operating entity American Peptides LLC

Dispositions

Code	Criterion	Disposition	Where it appears
S1	Prescriber requirement	FAIL	americanpeptides.us/pages/terms-of-service
S2	Prescription gating	FAIL	americanpeptides.us/products/retatrutide
S3	Pharmacy identification	FAIL	americanpeptides.us/pages/terms-of-service
S4	Compounding disclosure	PASS	americanpeptides.us
S5	Analytical documentation	PASS	americanpeptides.us/docs/COA7580.pdf
S6	Business address	PASS	americanpeptides.us/pages/contact
S7	Price disclosure	FAIL	americanpeptides.us/products/retatrutide
S8	Enforcement status	PASS	FDA warning-letter index

Evidence, criterion by criterion

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

S1FAILNo clinician appears anywhere on the site, and the terms sell every product for laboratory research only, never for human use.Source: americanpeptides.us/pages/terms-of-service.

S2FAILProducts add to cart once the researcher access screen is cleared, and that screen asks only for an email address and self-certification checkboxes.Source: americanpeptides.us/products/retatrutide.

S3FAILThe terms state that American Peptides LLC is a research chemical supplier and not a compounding pharmacy or outsourcing facility under 503A or 503B.Source: americanpeptides.us/pages/terms-of-service.

S4PASSThe seller offers no compounded drug, and every page footer states that the products are not FDA-approved and are sold for research use only.Source: americanpeptides.us.

S5PASSA public Bioviridian Inc certificate reports 99.83 percent purity by RP-HPLC on retatrutide lot RETA10-0803, reachable at a direct link with no login.Source: americanpeptides.us/docs/COA7580.pdf.

S6PASSThe contact page prints a street address on St. Vincent Avenue in Shreveport, Louisiana, presented as the headquarters and shipping facility.Source: americanpeptides.us/pages/contact.

S7FAILPrices sit behind a researcher access screen that requires an email address, a field of research and two checkboxes before any product page can be viewed.Source: americanpeptides.us/products/retatrutide.

S8PASSNo FDA warning letter names American Peptides or American Peptides LLC, and no action has halted the business.Source: FDA warning-letter index.

Products shown on the seller's own pages at the recorded date: retatrutide, research-grade semaglutide, research-grade tirzepatide, cagrilintide, BPC-157, TB-500, GHK-Cu, NAD+, MOTS-c, PT-141, tesamorelin, ipamorelin, sermorelin, semax, glutathione, KPV, nasal sprays, dissolving strips, peptide bundles.

Other sellers of the same products

Who sells semaglutide Who sells tirzepatide Who sells sermorelin Who sells NAD+Who sells glutathione Who sells PT-141 Who sells GHK-Cu Who sells tesamorelin Who sells BPC-157 Who sells TB-500 Who sells MOTS-c Who sells semax Who sells ipamorelin Who sells cagrilintide Who sells retatrutide

Unpaid link. American Peptides does not pay the site, and nothing is earned when it is used. Funding.

Visit American Peptides

127 sellers pass S1, prescriber requirement

Records dated August 2026

Records dated September 2026

See all 127 on the S1 criterion page — 119 more than shown here.

This seller fails criteria a medical service must meet. The records above belong to sellers that pass S1; some are partner links, disclosed on their records.

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.