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Cyanocobalamin, a slightly toxic, synthetic form, is especially dangerous to pernicious anemia patients
Vitamin B2 (riboflavin) - Riboflavin, also known as vitamin B2, is involved in energy metabolism, helping to convert carbohydrates, proteins, and fats into energy
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It is either administered orally or through an injection process
However if one of these vitamins is deficient, it can result in serious health problems
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