Some studies [1317] have described the limitations of trying to diagnose vitamin B12 deficiency exclusively via the measurement of this concentration, and report blood methylmalonic acid (MMA) and homocysteine concentrations to be more sensitive markers capable of detecting subclinical deficiency
Contact your provider if you experience side effects, have questions about dosing, or notice anything unexpected
Your prescribing provider will determine the dosing protocol that is appropriate for your individual needs
Song Y, Bi L, Zhang Z, Huang Z, Hou W, Lu X, et al
10.1080/00207454.2017.1374959 Int
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