The FDA has flagged these risks with BPC-157
The important distinctions are labeled dosing versus compounded-unit math, escalation and missed-dose rules, measurement errors, tolerability, and the symptoms that should trigger a call to a licensed prescriber
How do I store and/or throw out this drug
DOI: 10.3390/ijms19071987 BPC-157 angiogenic signaling VEGFR2-Akt-eNOS activation, nitric oxide bioavailability, FAK-paxillin cell-anchoring cascade, anti-cytokine modulation: PMC8275860 TB-4 / TB-500 G-actin sequestration and threshold-saturation mechanism actin-monomer binding, cytoskeletal mobilization for cell migration, mass-action pharmacodynamics requiring bolus dosing: PubMed 12581423 TB-4 Ac-SDKP anti-fibrotic fragment N-terminal tetrapeptide (fragment 14) released by meprin- and POP processing
Gut and Liver, 14(2), 153-167
TB-500 Defined fragment chemistry, anti-doping metabolism work and limited in vitro activity studies