Normal B12 status is important in the preservation of normal cognitive function, says Green
Before taking, speak with your doctor if you are allergic to vitamin b12, have a genetic condition called optic atrophy, have blood in your urine, polycythemia, an ongoing infection, low iron or folate levels, are pregnant or plan to become pregnant, are breastfeeding or plan to breastfeed
Fatigue that sleep does not fix
Gastroenterology (2008) 5
The label says the vial should be inspected for particulate matter and discoloration before use if the container allows
if a patient is on blood pressure-lowering drugs (such as beta blockers, alpha-1 blockers, or vasodilators), niacinamide injections could lead to an additive drop in blood pressure