Peptide compliance resources
Practical guidance with the sources attached.
01 / RUO & claim discipline
What FDA and FTC actually look at
Intended use, net impression, and why a research-use-only line does not decide either one.
Is a “research use only” disclaimer enough for a peptide website?
What FDA and FTC actually look at on a peptide storefront, why a research-use-only line does not decide intended use, and which parts of the site get cited.
Read the guideWhat did FDA actually say in the Gram Peptides warning letter, and why does it matter for my storefront?
A section-by-section walk through FDA’s March 2026 letter to Gram Peptides: what was reviewed, which claims were quoted, and why the RUO label did not control.
Read the guideWhat did FDA actually cite in the Xcel Research warning letter, and does “research subjects” wording change anything?
A section-by-section walk through FDA’s December 2024 letter to Xcel Research: what was reviewed, which claims were quoted, and why “test subjects” didn’t help.
Read the guideWhat did FDA actually say in the USApeptide.com warning letter, and why does it matter for my storefront?
A section-by-section read of FDA’s February 2025 letter to USApeptide.com: four disclaimers set aside, brand-name comparisons, and stacked misbranding theories.
Read the guideWhat counts as an implied health claim on a peptide website?
What the FTC counts as an implied health claim on a peptide storefront: net impression, disclosures, substantiation, testimonials, and how FTC differs from FDA.
Read the guideProduct names that read as health claims: a working list of patterns
Testimonials, before/after photos, and dosage language: what reviewers flag
02 / Peptide payment processing
Why the vertical is treated as high risk
Category codes, restricted-business policies, fund holds, and what a provider can and cannot be shown.
Why peptide businesses get called “high risk” (it’s not chargebacks)
Why Stripe, PayPal and Square freeze peptide store funds
03 / Platform & processor policies
What each processor's own text says
Stripe, WooPayments, Shopify Payments, PayPal, Square, and Authorize.net, quoted and dated.
Stripe’s restricted businesses policy for peptides, line by line
WooCommerce (WooPayments) and peptides: what’s actually banned
04 / Storefront fixes
What a reviewer checks, and how to fix it
Checklists for names, disclaimers, bundles, testimonials, buyer controls, and evidence packages.
The peptide storefront compliance checklist
Where to put your RUO disclaimer (and where it doesn’t help)
Transparency pages
Inspect the method behind the guides
The same discipline the guides follow applies to the product: what was examined, how, and against which sources.