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Stomach acid tends to decrease with age, which makes it harder to extract B12 from food
Comparative models evaluate molecular signaling and regenerative-response markers associated with intranasal and subcutaneous delivery methods
Cobalamin is the term used for the vitamin B12 and the Cyano or Methyl portion refers to what the B12 is bound to
A vitamin B12 injection is needed after gastric banding when oral supplementation has failed to correct a documented deficiency, serum B12 remains persistently low, the patient cannot adhere to daily oral tablets, or there are signs of neurological or haematological complications
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