b12 injection why Benefits of Vitamin Injections for Skin Do B12 Injections Help with
Description
This population might benefit most from injections if dietary improvements dont do enough to raise levels

Image source: Therapeutic Drug Database:

As I said before PA is still thought to be the primary culprit here, other causes of B12 deficiency such as malabsorption caused by metformin, H2 blockers, PPIs, parasites, etc
It boots energy by stimulating the bodys burning of triglycerides as fuel and sparing the supply of glycogen stored in the liver for heavier exertion

Specific advantages for older adults and individuals with digestive disorders who may have difficulty absorbing B12 from food or oral supplements
