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People with serious vitamin B12 deficiency can result in anemia, stomach problems and nerve damage
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Patients with Comorbidities People with certain health problems, like stomach issues or brain disorders, need special care with Vitamin B12 shots
Nervous system health
It uses a methyl group donated by S-adenosylmethionine (SAM) to methylate nicotinamide a vitamin B3 form that would otherwise be recycled back into NAD+