Supplier Red Flags
Signals that a peptide supplier is operating outside the boundaries of legitimate research-use supply.
Last updated: 15 April 2026
Claim signals
Therapeutic claims, before-and-after photos, dosing protocols and how-to-use instructions all suggest a supplier is operating outside research-use supply.
Transparency signals
Trustworthy suppliers publish lab partners, batch-level COAs, manufacturing locations, and clear policies. Opaque suppliers hide all of this behind marketing.