b12 injection side effects acne Inflammatory papules and pustules on the chest after VITAMIN B12 Supplements leading to
Description
These nerve-related changes can occur even without anemia being present, which means standard blood counts alone may not catch a developing deficiency

Draw 4.0 mL bacteriostatic water with a sterile syringe

They aren't substitutes for one another they're tools matched to different mechanistic questions in metabolic research

While vitamin B12 injections have a strong safety profile, we recommend caution or avoidance in certain situations
