does b12 injections cause diarrhea Vitamin Side Effects 11 symptoms of vitamin B12

Food and Drug Administration) Dietary deficiency of vitamin B 12 occurring in strict vegetarians and in their breastfed infants (isolated vitamin B 12 deficiency is very rare) Malabsorption of vitamin B 12 resulting from damage to the stomach, where intrinsic factor is secreted, or damage to the ileum, where intrinsic factor facilitates vitamin B 12 absorption

These are not all the possible side effects of Vitamin B12 Injection

The subcutaneous layer is thicker in people who have more body fat and therefore patients with a higher BMI may need a longer needle to adequately get into the skeletal muscle

Options include oral, sublingual, and injectable forms