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Arzneimittel-Forschung 62 (07): 324329
Essential Fact #1: B12 Injection Administration Routes Vitamin B12 injections can be given in different ways
When a letter is sent to GP, worth including a request that GP practice sends written confirmation to letter writer that they have received letter
However, decisions about lab work for IV therapy are still individualized
There is no evidence that doses above 500mcg produce proportionally better results, and clinical trials using 1mg daily did not dramatically outperform lower doses
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