how do b12 injections make you feel Shots for Energy: They Work, Who Needs Them & What to Expect Best Vitamin B12 Injection Sites:

B12 also aids in DNA synthesis and red blood cell production

Not for use in diagnostic procedures, human use, or veterinary use

A rare cause is transcobalamin II deficiency, a genetic condition where your body can't transport B12 (also known as cobalamin) in your body

Type 2 diabetes in adults: management (NG28)

Its commonly found in animal products like meat, eggs, and dairy, which means individuals following plant-based diets or with certain medical conditions may have a higher risk of deficiency

B12 is involved in fatty acid metabolism that builds an insulating lipid-rich layer surrounding a neurons axon (the myelin sheath), which speeds up nerve signals and enhances learning and logical thinking processes