This is the desired dosage that your research protocol or medical advice states
But the recommended daily amount of vitamin B-12 for adults is only 2.4 micrograms (mcg)
Others who might be prescribed B12 shots are those at the highest risk for a B12 deficiency, including: Vegans, since vitamin B12 is found only in animal products People ages 60 and up since their bodies don't absorb B12 as efficiently People with Crohn's disease or pancreatic disease, since they prevent nutrient absorption People who had weight-loss surgery, which decreases B12 absorption People with an eating disorder People with HIV People with diabetes Since a mild B12 deficiency might not cause symptoms, it can go undetected for years since levels are not checked during routine blood work
By reducing the production of these, glutamate levels lower, the consequences of oxidative stress are reduced, and pro inflammatory cytokines are reduced, reducing the effects of inflammation and oxidative stress in progressing the disease and disruption of the BBB
For extremely small doses, some researchers use dilution techniques
