How do members experience Vitamin B12 (cyanocobalamin)?

Top 5 reported purposes & perceived effectiveness

Purpose Patients Evaluations Perceived Effectiveness
Vitamin B12 deficiency 438 88
General health 237 132
Fatigue 118 50
Pernicious anemia 60 8
Loss of energy 49 20
  • Major
  • Moderate
  • Slight
  • None
  • Can't tell

Common side effects

Side effect Patients Percentage
Diarrhea 2
Back pain 1
Bruising 1
Fatigue 1
Headaches 1
Heavy sensation 1

Side effect severity

Side effects as an overall problem
Severity Evaluations Percentage
Severe 2
Moderate 6
Mild 11
None 327