is a b12 injection worth it Vitamin Dose for Adults: 7 Dosage Facts The Truth About B12 Injections:

"These additives are physically bound to plastics, which means they can leach into the water," Abraham says, Some research suggests that these additives, such as BPA, can interfere with our hormone function, and may be linked to increased risk of heart disease, stroke, diabetes and other chronic diseases

However, it may also affect other parts of your body, like your legs, neck or arms

In the latter study, the researchers hypothesized that vitamin B12 may activate an inflammatory process in bacteria that normally lives on the skin, but which can promote acne when inflamed, according to Live Science

Too little and you are working with concentrations so high that tiny measurement errors become magnified into real dosing problems

Other Medical Conditions Consult your doctor before using vitamin B12 supplements if you have or have had kidney disease, infectious disease, liver disease, malabsorption, cancer, gout, or blood disorders such as polycythemia vera