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During the race, my toes were burning, and this really slowed me down
B12 is involved in fatty acid metabolism that builds an insulating lipid-rich layer surrounding a neurons axon (the myelin sheath), which speeds up nerve signals and enhances learning and logical thinking processes
doi:10.1016/j.tem.2017.02.004 (PMID 28291578) Roberti A, Fernndez AF, Fraga MF
Feeling worse after a B12 injection can be perplexing, especially when you're seeking relief from symptoms like fatigue or low energy levels
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