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Description
A vitamin B12 deficiency can cause a person to experience extreme tiredness, lack of energy, breathlessness, and feeling faint
These typically resolve within 2-3 weeks
Extended cycles may run 12 weeks on with 6 weeks off for individuals with significant metabolic goals
Weight should be monitored regularly for all patients, along with vital signs including blood pressure and heart rate
Those who dislike needles may still find that B12 pills are a convenient alternative
