When it comes to how long BPC-157 stays in your system , most evidence points toward a relatively short duration, with the compound largely metabolized within 24 hoursthough its regenerative effects may last longer than its detectability
For researchers conducting GHK-Cu copper peptide research, this evidence base is a primary selection criterion in any Matrixyl vs GHK-Cu decision
These include: A lack of energy Pins and needles, or paraesthesia Mouth ulcers Muscle weakness Psychological and memory issues, as well as issues with judgement and comprehension A red, sore tongue If you are experiencing these symptoms, and think that you may have a vitamin B12 deficiency, we recommend that you visit your GP
"Best" is not established, because head-to-head human data does not exist
Honestly if you're not dealing with injuries that you want to work through i would look at other options
Many users stack BPC-157 with GHK-Cu for synergistic repair effects, though larger human trials are still needed