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All editions →MethodologyUpdated · October 2026
Flagged · documented but not recommended

1 flagged vendor.
Evidence visible.

Each vendor below has an active warning. Listed here so the evidence is visible. Never enter the finder regardless of score; never recommended.

Active flagCN · founded 2019

QSC Peptides

Verify import regulations in your GCC country before ordering. Saudi Arabia customs can be strict on research peptide imports from China.

Incident timeline
  • Jan 01, 2019
    QSC Peptides founded

    Operating from China (Qingdao) — international shipping.