bpc 157 injection side effects benefits and A little-known advisory group to the US Food BPC 157 Side Effects: What

To prevent or manage vitamin B12 deficiency, incorporating B12-rich foods or supplements into the diet is recommended

First, it works through a completely different mechanism than stimulants, thermogenics, or GLP-1 based peptides

Clinical signs of B12 deficiency include nausea, vomiting, loss of appetite, poor absorption of food (malabsorption syndrome), constipation, gas, weight loss, fatigue, lethargy, abdominal pain, and diarrhea

but I would take that to mean that once you are on an adequate amount of B12 injections and no longer have large red blood cells , both folate and ferritin should remain at a good level with a healthy diet