An important supplement for vegans. NutritionFacts.org recommends 2,000 mcg per week for those under 65 years of age. They recommend 1,000 mcg per day for those over 65 years of age.
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An important supplement for vegans. NutritionFacts.org recommends 2,000 mcg per week for those under 65 years of age. They recommend 1,000 mcg per day for those over 65 years of age.
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