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While at-home kits provide significant cost savings, they require proper training and comfort with self-administration

For severe deficiency, patients get 1,000 mcg daily for the first week

Common causes of B12 deficiency can include: Limited dietary intake (common in strict vegan or vegetarian diets) Pernicious anemia, an autoimmune condition that prevents proper B12 absorption in the stomach Gastrointestinal surgeries that remove part of the stomach or small intestine Age-related declines in stomach acid production Long-term use of certain medications, such as metformin or proton pump inhibitors, which can reduce the bodys ability to properly absorb vitamin B12

Vitamin B12 is essential for DNA production, red blood cell formation, DNA synthesis, and brain health