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The relationship between B12 and bowel changes is typically indirect, relating more to the supplement formulation, excipients (inactive ingredients), or underlying health conditions rather than the vitamin itself
Hold the needle in place for a few seconds to ensure the full dose is delivered
Occasional mild injection-site reactions (redness, itch) may occur with subcutaneous administration
Multiple references
Vitamin B12 supplementation during pregnancy and postpartum improves B12 status of both mothers and infants but vaccine response in mothers only: a randomized clinical trial in Bangladesh
Medicare Part D covers a wide range of prescription drugs
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