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Degraded peptide may have lost its copper-binding capacity, creating a solution of free copper rather than beneficial GHK-CU complex

Areas Without Adequate Human Evidence Long-term cardiovascular safety Long-term neurological safety Endocrine effects beyond selected hormone measurements Effects on glucose regulation in people Immune responses Allergic reactions Genotoxicity Carcinogenicity Effects in people with cancer or precancerous disease Reproductive and developmental toxicity Pregnancy safety Breastfeeding safety Paediatric exposure Medicine interactions Interaction with hormone or sleep treatments Repeated exposure over months or years Product-Quality Risks Incorrect amino-acid sequence Glu and Asp residue-order errors Wrong terminal groups Incorrect free-base or acetate designation Incorrect peptide quantity Deletion-sequence impurities Incomplete deprotection Residual synthesis reagents Residual solvents Peptide aggregates Degradation during transport or storage Unverified microbiological quality Unverified bacterial-endotoxin control Certificates unrelated to the supplied batch No reports does not mean no risk FDAs adverse-event database search found no Epitalon reports through December 2025

Rao Q, Zhang T, Dai M, Li B, Pu Q, Zhao M, et al

What Are the Consequences for My Body

mdpi.com A firstinhuman tolerability trial administering IV BPC-157 to healthy volunteers showed good safety profiles at doses up to 0.5 mg/kg, setting the stage for future clinical pharmacokinetic and safety assessments