Recent Vendor Shutdowns — Protect Your Research
Peptide Sciences ceased operations March 2026. Science.bio closed January 2026. Our AI flagged both 60+ days before shutdown. See who's still reliable →
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Top-Ranked Vendors This Week
Powered by our 5-pillar Peptide Vendor Score (PVS). Updated every 24 hours from public COAs, lab tests, and community sentiment.
Ascension Peptides
Limitless Life Nootropics
Peptide Partners
Pure Rawz
Amino Asylum
Swiss Chems
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"Finally a source I trust. Saved my lab $2k on a vendor I was about to order from — turned out their last 3 COAs were recycled from 2023."
"The shutdown prediction on Science.bio was uncanny. Flagged it 9 weeks before they disappeared with everyone's orders. This site is the real deal."
"I'm an actual biochem PhD and the purity scoring methodology is more rigorous than what I've seen in some published vendor comparisons. Impressive."
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