Some begin therapy soon after injury or surgery (pending guidance), while others use it for chronic or overuse injuries
However, they will not automatically move into Category 1, where the agency has stated it would generally not take action against compounders
We see that with exercise
Cell Adh Migr 15:215223 Pan X, Xu J, Jia X (2020) Research progress evaluating the function and mechanism of anti-tumor peptides
Additional documented interactions include the FAK-paxillin pathway, fibroblast activity, and dopaminergic, serotonergic, and GABAergic neurotransmitter systems, though these represent a more preliminary evidence base
Selected Research References: Gwyer D et al., Cell and Tissue Research (2019) Examination of BPC-157 in musculoskeletal soft tissue research models