b12 self injection pen Nova Cyanocobalamin (Dodex): Uses, Side Effects,

B12 can be particularly difficult for those who dont or cant eat certain foods such as meat, shellfish, eggs and dairy

It is also used in other vitamin B12 deficiency conditions caused by poor absorption, strict vegetarian diet, certain stomach or intestinal disorders, or after stomach surgery

Observational studies A large number of cross-sectional and prospective cohort studies have associated elevated blood homocysteine concentrations with measures of poor cognitive scores and increased risk of dementia, including Alzheimer's disease (reviewed in 67, 69)

Hydroxocobalamin lasts longer, possibly needing less frequent doses

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