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B vitamin therapy is beneficial in patients with good renal function, but harmful in patients with significantly impaired renal function

[2] Symptoms of deficiency include fatigue, weakness, pale skin, shortness of breath, and neurological disturbances such as paraesthesia, ataxia, and cognitive changes

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Studies show that around 85% of people are not getting enough B12

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Role in Energy and Metabolism B12 helps break down carbohydrates, fats, and proteins