after b12 injection side effects : r/B12_Deficiency Vitamin B12 Injections - Vie

It is not a drug, dietary supplement, food additive, cosmetic, or therapeutic agent, and must not be used in or on humans or animals

Individuals with absorption issues, such as those with gastrointestinal disorders or certain genetic conditions, may not benefit from oral supplements

however, providers often caution against using additional copper supplements simultaneously

B12 shots cant make you sleepy or tired, but B12 deficiency can , and is most likely the reason you suffer from the chronic fatigue in the first place

Research use only: This product is intended for in-vitro and non-clinical in-vivo research

Prepare the injection: Remove the cap from the needle and use the syringe to draw the appropriate amount of B12 from the vial