Therefore, refrigerate the vial at temperatures from roughly 36 to 46F, which can preserve the chemical for up to 4 weeks without degradation
It also plays a role in maintaining the myelin sheath that protects nerve cells and ensures smooth nerve transmission
Unlike oral B12, which depends on intrinsic factor and healthy gut absorption, the injection delivers B12 directly into the bloodstream
Get the details about this, as well as risks from too much folic acid, in the Folic Acid section of our B Vitamin Supplements Review, which includes our Top Picks for folic acid and folate, and other B vitamins
Your clinician should tailor this to your situation and, importantly, to the underlying cause of deficiency (dietary vs non-dietary)
Same message applies though, do not go anywhere for your wrinkle relaxing treatments