Without a verified GHK-Cu preparation as your baseline, comparative data loses its interpretive foundation
Typically, it is administered intramuscularly (IM), ensuring rapid absorption and bioavailability
Also, people who have had surgery on their intestines, like weight loss surgery, or have diseases that affect the gut, like Crohns disease or celiac disease, are also at risk of not getting enough vitamin B12
Further Reading: Guide to Gym Supplements Studies into this peptide cancelled or stopped without any published results, so conclusions havent been made into what BPC-157 does for the body, but as mentioned, it was originally experimented on as a compound to help with inflammatory bowel disease and soft tissue healing
Side effects are typically mild and often related to the injection process