All reviews are public and free to read - no account, no password, no paywall. Ever.
Vendor Directory
9 active vendors tracked. Tier ratings are research-based, sourced from independent testing data and community consensus.
Ascension Peptides
Tier 1ActiveNo reviews yet - be the first
Biotech Peptides
Tier 1Active“Consistent quality and support actually responds quickly. Catalog is extensive. Good vendor overall.” - Anonymous
Core Peptides
Tier 1Active“Fast shipping and product quality has been consistent across three orders. Support was helpful when I had a question about reconstitution.” - Kevin T.
Limitless Biotech
Tier 1Active“Solid vendor. Lab results are available on every product page which is rare. Customer service response time could be faster.” - Rachel K.
Sports Technology Labs
Tier 1ActiveNo reviews yet - be the first
Behemoth Labz
Tier 2Active“Reliable and consistent. Been ordering for two years without a single bad batch.” - Chris M.
Pure Rawz
Tier 2Active“Inconsistent experience across orders. Two good ones then one that seemed underdosed.” - Anonymous
Yes — FDA warning letter Dec 10, 2024 (GLP-1 marketing)
Swiss Chems
Tier 2Active“Mixed experience lately. Product worked but shipping took longer than expected and support was slow to respond.” - Anonymous
UK-Peptides
Tier 3ActiveNo reviews yet - be the first
These vendors are no longer operating. Avoid any sites still using their names - copycat domains are active.
Amino Asylum
RaidedRaided June 2025 - FDA raid June 2025
⚠️ MULTIPLE COPYCAT DOMAINS ACTIVE
Peptide Sciences
ClosedClosed March 2026 - Voluntary shutdown March 2026
⚠️ COPYCAT SITES ACTIVE — do NOT order
Science.bio
ClosedClosed January 2026 - Voluntary closure January 2026
No warning given; some orders unfulfilled
For educational and research purposes only. Not medical advice.