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Functional testing, where appropriate, quantifies progress more objectively
This may happen when a person does not get enough B12 in the diet, cannot absorb it well from food, or has increased needs due to certain health conditions
People with autoimmune disorders (especially thyroid disorders such as Hashimotos thyroiditis and Graves disease) Type 1 diabetes, vitiligo, lupus, Addisons disease, ulcerative colitis, infertility, acquired agammaglobulinemia, or a family history of these disorders
Benefits of Taking Vitamin B Complex Taking a B complex supplement with all eight B vitamins has many potential health benefits, including the previously mentioned advantages of B12
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