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Minimizing Methylmalonic Acid Levels A potential problem with the IOMs method for determining B12 requirements (see Institute of Medicines Recommendations above), is that a small percentage of people with neurological symptoms of B12 deficiency have normal blood parameters, including 13% of patients in one series of case studies (Lindenbaum, 1988)
Proper hydration supports metabolic function and overall health
Typically, people who have had gastric surgery and whose bodies have difficulty absorbing vitamin B12 receive injections or infusions
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Ty21a (Vivotif - Oral) Four doses are taken every other day, with the final dose completed at least one week before travel
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