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People who take medications regularly that decrease stomach acid production can also become deficient in vitamin B12 for this reason, whether they consume enough from their diets or not
A 2024 study published in the Proceedings of the Nutrition Society found deficiency prevalence ranges from 5 to 52% in vegans and 6 to 14% in vegetarians, depending on supplement use
Feeling fantastic shouldn't be something that lasts for a few weeks
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