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For most patients with vitamin B12 deficiency, high-dose oral supplements are as effective as intramuscular injections at raising serum B12 levels and resolving symptoms

This article will break down the differences between vitamin B12 injections and oral supplements to help you understand which option might be best for your specific needs

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Other symptoms of B12 deficiency include pale skin, loss of appetite, heart palpitations, unexplained weight loss, depression, poor memory, confusion, and soreness of the mouth or tongue

However, some individuals may have difficulty absorbing this vitamin, leading to deficiencies