what does a b12 injection do for a dog Dog's experience with vet Vitamin B-12 for Animal Use
Description
If your levels are low, youll likely feel a gradual improvement in your energy and overall mood over the following days and weeks as your body puts the vitamin to use

Those with Leber's disease (hereditary optic neuropathy) should avoid cyanocobalamin formulations

Whether this produces beneficial or detrimental effects depends on individual methylation pathway capacity, genetic polymorphisms (like MTHFR variants), and baseline homocysteine levels

The most obvious is that they are easy to take, and you can keep a large supply in your home for daily use
