bpc 157 anhedonia given in eye drops (µg and ng concentrations) immediately after BPC-157 for Mental Health: Benefits,

designed a tumor-targeting delivery system utilizing a pH (low) insertion peptide (pHLIP) as a platform to deliver the immunogenic SIINFEKL peptide to the tumor microenvironment

PMID 20199941

These bone-marrow cells can be injected at any area in the body under image-guidance, and they also have good evidence for helping repair and rebuild osteonecrosis, avascular necrosis, bone marrow failure, spine and disc injuries, and subchondral defects in bones and joints [168-178, 194-197], which provides immense hope for patients with these recalcitrant and refractory conditions

And vegetarians, especially vegans, are often deficient or have inadequate levels of vitamin B12 on a blood test