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Sci Rep (2019) 9(1):5184
Those suffering from B12 deficiency have been known to have lower than normal bone mineral density, which can lead to osteoporosis over time
Rushing increases leads to more severe gastrointestinal side effects like nausea, constipation, and diarrhea
That study actually revealed that a similarly small percentage of people could be categorized as true responders, with the other 66% of the population falling into a spectrum between the two poles what the study called quasi-responders
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