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Oral supplements face challenges in the digestive system, where absorption can be low, mainly in those with certain gut issues
How Quickly Do B12 Shots Work
If dietary sources are insufficient, however, a doctor may recommend supplementation through pills or injections, depending on the cause of the deficiency.
What causes vitamin b12 deficiency
What symptoms can occur with vitamin B12 deficiency
This typically improves as treatment continues and should be discussed with your healthcare professional if persistent
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