8,9 Table 1 Risk Factors for Vitamin B12 Deficiency A multicenter randomized controlled trial of 390 patients with diabetes mellitus showed that those taking 850 mg of metformin three times per day had an increased risk of vitamin B 12 deficiency (number needed to harm = 14 per 4.3 years) and low vitamin B 12 levels (number needed to harm = 9 per 4.3 years) vs
Monthly visits, quarterly labs, and growth tracking are not trivial commitments
Vegans and Vegetarians : Vitamin B12 is found naturally almost exclusively in animal products (meat, fish, dairy, eggs)
[30] The main type of vitamin B 12 deficiency anemia is pernicious anemia, [31] characterized by a triad of symptoms: Anemia with bone marrow promegaloblastosis (megaloblastic anemia)
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