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Description
While the NIH does not specify a tolerable upper intake level for vitamin B12, a study published in the JAMA Network Open found that high intakes of vitamin B12, such as from daily supplementation of 25 micrograms or higher, increased the risk of bone fracture [3] [4]

Vitamin B12 is essential for converting food into energy and keeping your nervous system functioning properlybut many people experience deficiencies without realizing it

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[PubMed: 12364453] 47
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Antianmico
