does aetna cover vitamin b12 injections vs. Oral Supplements: Which Is Better? CPT Code 96372: Billing Guide,

Yes, timing matters

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While other B12 supplements certainly serve a purpose, the advantage of Methylcobalamin lies in its superior bioavailability and effectiveness

If the issue lies with absorption, B12 shots or IV infusions are an effective alternative to oral supplements because they are administered via injection or intravenously, meaning they do not need to be absorbed through the digestive process

2011 Jun 1;3(6S)