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Well explore the possible effects of vitamin B12 overdose, provide an overview of the vitamin itself, and list the symptoms that might develop if you consume excess vitamin B12

The only responsible conclusion is that oncological safety is unproven

Control mice received an equivalent volume of saline solution

At the protein level, FOXO4-DRI apparently reduced markers tied to myofibroblasts and matrix deposition, including -SMA and Col1a1

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Before starting B12 supplements , particularly high-dose formulations, discuss with your GP if you have: A history of sleep disorders Existing anxiety or mood disorders Cardiovascular conditions Kidney disease (which may affect B12 metabolism and test interpretation) Leber's hereditary optic neuropathy (cyanocobalamin is contraindicated