This depends on your personal situation, how low your vitamin B12 levels are intracellularly, what kind of medical conditions you have, and how much improvement you get from the B12 shots
Iron deficiency anaemia where the patient is completely intolerant of all oral iron preparations and requires intravenous iron treatment please refer to the involved specialist (and not haematology), who can arrange an infusion in the Medical Day Case Unit
B-vitamin status and bone mineral density and risk of lumbar osteoporosis in older females in the United States
B6 plays a vital role in amino acid metabolism, neurotransmitter synthesis, and hemoglobin production
Drowsiness or Dizziness : As BAC rises, fatigue and disorientation can increase
NAD Preservation: Supports higher intracellular NAD availability, promoting mitochondrial function and cellular energy production