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However, certain populations are at higher risk of deficiency: Adults over 50 (reduced absorption capacity) Individuals following vegan or strict vegetarian diets Those with gastrointestinal conditions such as Crohns disease or celiac disease Individuals taking long-term acid-reducing medications (PPIs, H blockers) When oral supplementation is insufficient or absorption is compromised, vitamin B12 shots deliver the nutrient directly into the bloodstream, bypassing the digestive system entirely

In those patients neurological symptoms and damage are the key to diagnosis

When you receive your test in the mail, collect a blood sample (just a finger prick!) and mail it to Hones CLIA and CAP-accredited lab partner

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