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Das Gupta R et al
### Get tested If your healthcare provider suspects a vitamin B12 deficiency, theyll likely suggest a blood test to examine: - Your levels of B12 and other essential nutrients - Common markers for vitamin deficiencies - Your complete blood count (CBC) If you decide to proceed with testing, you can make an in-person appointment with a nearby testing facility
Choline is the major precursor of betaine, and it is used by the kidneys to maintain water balance and by the liver as a source of methyl-groups for methionine formation
Evidence-based : Ensuring clinicians understand the difference between serum B12 levels and clinically active B12 stores, and other suitable tests to determine deficiency as well as symptom resolution with sufficiently frequent treatment
Doctors often start with daily or weekly doses for a few weeks
