Medically reviewed by Kristie Reed, PharmD Vitamin B12, also known as cobalamin, is a water-soluble vitamin required for many ...

Hydroxocobalamin: Often given as an injection, this form of vitamin B12 lasts longer ... Board hasn’t set a Tolerable Upper Intake Level for B12, which is the maximum safe dose unlikely to ...

Vitamin B12 is one of the most essential nutrients that plays a key role in nerve function, red blood cell formation, and DNA ...