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Takeaways A B12 test can tell how much vitamin B12 you have in your body
Notably, vitamin B12 plays a pivotal role in the health and maintenance of nerve cells, the formation of red blood cells, and the intricate process of DNA synthesis
Researchers attribute these effects to its regulation of nitric oxide pathways and cytoprotective influence on the gut lining
A small percentage of users report sleep disturbances with evening dosing, possibly related to nitric oxide system effects
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