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Jung, H., Kim, H., Kim, H., Kim, E., Baik, J., & Kang, H

First isolated and characterized by Sikiric et al

The agency also noted that it was often unclear which chemical form was being discussed or whether the products were compounded

Stancic-Rokotov D, Balenovic D, Udovicic M, et al

Researchers comparing suppliers can cross-reference the CoA lot number printed on the vial label against the corresponding document

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