vitamin b12 oral vs injection versus intramuscular vitamin B12 for vitamin B12 deficiency The Advantages of B12 Injections

Rhone-Poulenc improved yield via genetic engineering P

Low maternal vitamin B12 status is associated with intrauterine growth retardation in urban South Indians

1,2 It is coabsorbed with intrinsic factor, a product of the stomach's parietal cells, in the terminal ileum after being extracted by gastric acid 1,2 (Figure 1 3 )

Because intramuscular B12 is absorbed more slowly over a longer time frame than intravenous delivery, each shot offers a sustained elevation in serum levels between appointments

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