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Consult a Top Nutritionist for Personalised Advice What Does a High Vitamin B12 Blood Test Result Mean
Common causes of B12 deficiency include: vegan or vegetarian diet, age 50+, acid reflux medication (PPIs), digestive disorders, birth control use, heavy alcohol intake, and celiac disease
Side effects most often develop in the first days of treatment
Tier 2 is blood-guided
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