still tired after my b12 injection Why Do I Feel Worse Vitamin B12 Deficiency: Symptoms, Causes
Description
Only 2030% of the total vitamin B12 in serum is bound to the transcobalamin protein
Many of the most effective ones were originally developed to treat type 2 diabetes , but are now FDA-approved (or prescribed off-label) for weight loss

Doctors can also look for enlarged red blood cells

i wonder if this multi dose vial was formulated by your labs..that is ok but i prefer the single dose vials

Red Blood Cell Formation Vitamin B12 is essential for the synthesis of DNA, including that of red blood cells
Document any immediate post-injection monitoring