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B12 Injections vs Tablets: What You Need to Know Can you take a B12 pill instead of the shot? Harvard Health Oral vitamin B12 versus intramuscular vitamin B12 for vitamin B12 deficiency PMC The Advantages of B12 Injections Versus Oral Supplements: Shawn Veiseh, M.D.: Family Medicine B12 Injections or Oral B12: Which Is Better for You? B12 Injections vs Supplements: Which Is Better?
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