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B2 (Riboflavin) : Enhances metabolism and immune health
Neurological recovery may take months and can be incomplete if deficiency is prolonged
Chronic Fatigue B-12 helps correct deficiencies that are often behind persistent tiredness
Higher doses may increase gastrointestinal side effects without improving outcomes
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About 1.5% of the general population is estimated to have a deficiency of B12 but this figure increases sharply with age to about 6%
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