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At first, they get 1000 mcg every day for a week
Symptoms of deficiency can vary from person to person, but may include impaired brain function, tiredness and lack of energy, breathlessness and fatigue, headaches, pale skin, heart palpitations, loss of appetite and weight loss, anxiety and depression
Many mild side effects are local and brief, but repeated injections over years are poorly characterized in the literature
Insurance coverage varies by provider and plan type
US$ 29.77
US$ 21.42
US$ 20.56
US$ 28.23
US$ 24.49
US$ 22.79
US$ 24.16
US$ 29.53
US$ 21.85
US$ 21.96
US$ 28.77
