vitamin b12 injection im or sq are injections given How to Give a B12 Injection: Step-By Vitamin B12 Injection Sites: All

These conditions digestive conditions, such as Crohns disease and ulcerative colitis autoimmune conditions, such as celiac disease and type 1 diabetes genetic conditions, such as inherited intrinsic factor deficiency and inherited transcobalamin deficiency chronic pancreatic disease pernicious anemia vitiligo Other factors that may lead to a vitamin B12 deficiency can include drinking excessive amounts of alcohol or using certain drugs, such as some heartburn medicines and metformin

Each garment can take weeks to make

So people who do not produce enough protein in their stomach may also be deficient in Vitamin B12

B12 shots for energy fill that missing gap