Mild side effects, like redness at the injection site, can happen but are typically no big deal
Related research: For distinct compound, component, or formulation evidence and safety context, read BPC-157 Peptide: Benefits, Uses, Side Effects, Dosage, and Research and TB-500 Peptide: Benefits, Uses, Side Effects, Dosage, and Research
Additionally, supplementation may be necessary, especially for dogs with specific health conditions or those that are more susceptible to oxidative stress
10.1053/jhep.2002.33201 126 SnykersS.HenkensT.De RopE.VinkenM.FraczekJ.De KockJ.et al (2009)
GHK-Cu is one of the most widely studied copper peptide compounds in skin, tissue, and extracellular matrix research
TB-500 is explicitly listed on the WADA prohibited substances list (BPC-157 is not explicitly listed)