PS PeptideSuppliers.org Research supplier discovery and education
Education guide

How to avoid peptide supplier scams

Scammy supplier pages often reveal themselves through weak documentation, confusing policies, and marketing language that feels stronger than the proof behind it.

Graphic representing supplier review standards and red-flag comparison
Red flag 1

Documentation is mentioned but hard to find

If a page talks about testing but never links a readable COA or batch document, that is a sign to slow down and compare more carefully.

Red flag 2

Policies feel thinner than the marketing

Shipping, refund, and contact pages should feel substantial enough to answer basic questions. Thin policies often weaken the rest of the page.

Red flag 3

Product pages feel vague

When names, categories, and documentation references do not line up clearly, the listing becomes harder to verify.

Red flag 4

Everything sounds polished, nothing feels specific

Clean design helps, but strong pages still need batch context, readable files, and consistent labeling throughout the site.

Simple rule

The page should answer basic questions without friction.

Strong supplier pages make testing, shipping language, and research-use labeling easy to review. If the page creates more questions than it answers, it is worth comparing it against another listing before trusting it.