In practice, the most common thing researchers do when they discuss both of these peptides is to mention the local action of BPC-157 and the systemic distribution of TB-500
The enhancement of disease by antibody-dependent mechanisms has been described clinically in children given formalin-inactivated respiratory syncytial virus (RSV) or measles vaccines in the 1960s, and in dengue haemorrhagic fever due to secondary infection with a heterologous dengue serotype 15,16,17,18,19,20,21
LegitScript, a compliance monitoring firm used by major payment processors, reported 308% more problematic peptide advertisements in 2024 compared to 2023, and 678% more compared to 2022
We do not have additional information about any anti-doping investigations, and defer any further questions on the matter to USADA.