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Regular measurement of hematologic parameters is recommended in all patients on chronic metformin treatment
After reviewing literature and conducting a two-round Delphi survey with 42 experts, a consensus emerged that emphasizes prioritizing clinical symptoms in diagnosis, with serum B12 as a screening marker supported by methylmalonic acid or homocysteine levels for additional confirmation
Oral vitamin B12 replacement: an effective treatment for vitamin B12 deficiency after total gastrectomy in gastric cancer patients
Most commercial preparations contain 1000 mcg of vitamin B12 per mL, making it easy to figure out the dosage volume
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