where to administer a b12 injection Best Vitamin Site: Administering B12 Shots How to Self-Inject Vitamin B12
Description
Where AOD-9604 Fills the Gap AOD-9604 works downstream of the caloric deficit

doi: 10.1210/en.2006-0453

Overgrowth of bacteria: Some people develop vitamin B 12 deficiency as a result of conditions that slow the movement of food through the intestines (diabetes, scleroderma, strictures, diverticula), allowing intestinal bacteria to multiply and overgrow in the upper part of the small intestine
Once reconstituted, peptides begin to experience hydrolytic and enzymatic degradation, even when refrigerated

You need iron and vitamins -- including B12 -- to make red blood cells

Evidence Quality: Very High