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Elevated methylmalonic acid or homocysteine with normal-ish b12 suggests functional deficiency requiring supplementation
Factors Influencing B12 Absorption There are various reasons that affect the absorption of B12, as mentioned below: Health Conditions : Various health conditions can affect B12 absorption from oral supplements
G., Dambach, L
A practical example of this is a single top-up injection every two to three months to keep your levels stable
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