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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

Caution: Japanese customs (PMD Act) strictly regulate research peptide imports. Personal imports above MHLW's quantity limits need an import confirmation certificate. Verify import eligibility before ordering.

Incident timeline
  • Jan 01, 2019
    QSC Peptides founded

    Operating from China (Qingdao) — international shipping.