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It doesn't make any difference
Even some meat eaters dont absorb it very well (4, Unlike other vitamins, the absorption of vitamin B12 depends on a protein produced in your stomach, called intrinsic factor
That can introduce variability such as: Mislabeling Contamination Inconsistent dosing Unknown impurities Side effects: what we can responsibly say Because robust human safety data are limited, it's hard to give a definitive side-effect profile with meaningful incidence rates
When you get early intervention, it prevents any kind of complications
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