Formulated by a compounding pharmacy
Inject even if B12 levels look okay, or if you are yet to get your final PA diagnosis
B vitamins are also water-soluble, which means any excess leaves your body through urine
Long term prescription of medications such as the following are likely to increase the cause of, or exacerbate the risk of B12 deficiency - the proton pump inhibitors (esomeprazole, lansoprazole, omeprazole, pantoprazole, rabeprazole), famotidine, ranitidine, metformin, glibenclamide, gliclazide, glimepiride, glipizide, sodium valproate, gabapentin, doxycycline, some oral contraceptives
The substance was cobalamin, which the discoverers called "vitamin B 12 "
In people without vitamin B12 deficiency, evidence does not consistently show cognitive benefit from supplementation alone