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The frequency depends on your individual needs and the severity of any deficiency
Who Should Be Checked for Vitamin B12 Deficiency An older person should probably be checked for Vitamin B12 deficiency if he or she is experiencing any of the health problems that can be caused by low levels of this vitamin
Composed of a complex of substances containing cobalt, it is vital for functions such as DNA production, red blood cell formation and nervous system function
### Step 2: Choose Your Concentration We recommend 10mg/ml for simplicity
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