what is b12 injection called Best Vitamin Sites B12 Shots & B12 Injections:

NAD+ and methyl donor research

The positive aspect is that many Medicare Advantage plans do include coverage for B12 injections, and in some instances, they may provide more flexible guidelines or additional wellness benefits

You might be experiencing B12 deficiency and weight gain

If you arent deficient, you may experience side effects taking a supplement

Compared to other forms of vitamin B12, it is easier to crystallize and more air-stable.[3] Cyanocobalamin is usually obtained as a dark red, amorphous or crystalline powder, orthorhombic needles, or red crystals

A pilot study comparing the pharmacokinetics of injectable cyanocobalamin and hydroxocobalamin associated with a trace mineral injection in cattle