can my doctor prescribe b12 injections Who Needs Vitamin Shots? Exploring Indications And Reasons For B12 Where to Get B12 Shots:

The B12 combination , the glycine blend , and the methylcobalamin variant each have slightly different pH levels that can affect comfort at the injection site

NNMT inhibition during this peak synthesis window allows more nicotinamide to enter the salvage pathway precisely when the cellular machinery is primed to convert it to NAD+

Mitochondrial DNA

[6] If this happens, vitamin B 12 deficiency may result in sense loss, loss of sensation in the feet, difficulty walking, poor balance, blurred vision, changes in reflexes, muscle weakness, decreased smell and taste, decreased level of consciousness, mood changes, memory loss, depression, irritability, clumsiness, disorientation, dementia and, in severe cases, psychosis