Arginine metabolic regulators such as spermidine have been shown to suppress M1 macrophage-associated cytokines while inducing M2 macrophage-related markers, significantly alleviating EAE symptoms, whereas Arg1 inhibitors can reverse these effects (96)
So, if for example you experience worse fatigue after B12 injections, it might be a brief phase where your body is still using the unhealthy red blood cells
It is not recommended to take vitamin B12 if you are not diagnosed with vitamin B12 deficiency
Causes commonly stem from injuries, inflammation, strain, or more complex issues
Where its produced and how it functions
Xing RX, Li LG, Liu XW et al (2020) Down regulation of miR-218, miR-124, and miR-144 relates to Parkinsons disease via activating NF-B signaling