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Vitamin B12 and Pregnancy: Benefits, Intake & Food Sources

Two different conditions were employed: endpoint A, where the medium was supplemented with an excipient (citrate-phosphate buffer, pH 5, Merck, Darmstadt, Germany), and endpoint B, where the medium was supplemented with cyanocobalamin (Merck) at a final concentration of 1 nM

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44 Additionally, in patients who are already taking some form of oral B 12 supplementation, demonstrating B 12 deficiency can be a challenge, even when symptoms are typical (including those of neuropathy-like paraesthesia and numbness) as serum B 12 concentrations may be just within, or sometimes above, the “normal” range

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