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Certain groupsincluding vegetarians, older adults, and those with medical conditions affecting absorptionare at greater risk for deficiency
Tiaminal B12 injections are given once or twice a week, based on the deficiencys severity and the patients response
Vitamin B12 side effects Side effects from vitamin B12 supplementation are rare, and only occur with B12 injections, not oral supplementation, Allen says
It is also worth noting that whilst B12 is stored in the liver in significant quantities, any excess beyond the body's storage capacity is excreted in the urine
Gently swirl/roll until dissolvedsolution should be clear (do not shake)
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