Here's why it matters, how much you need, and how to get it (especially if you're not big on meat or dairy)
Research models cover traumatic brain injury, hippocampal ischemia, cuprizone-induced demyelination (a multiple sclerosis model), and spinal cord compression injury with tail paralysis
Vitamin B12 can slow down memory loss a study published earlier this year in the American Journal of Clinical Nutrition compared the use of lower and higher serum Vitamin B12 concentrations in ageing patients and found that those who had the higher dose performed better in memory tasks
Unlike oral supplements that can take weeks to show an effect, injections often provide noticeable improvements within days
Medications, like insulin, are effective when they're injected into the fatty tissue just below the skin
Consistency is key for best results