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The relationship between vitamin B12 and digestive health is particularly significant because the gastrointestinal tract is central to B12 absorption
This means most of a high-dose supplement remains in the gastrointestinal tract, though the direct link to digestive symptoms is not well established
Testimonials reflect individual experiences
Li D, Zhang Y, Xu L, et al
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If 25-gauge is all you have, it works, but expect slightly more discomfort
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