how long before vitamin b12 injections work Fast Does a Shot Work? How Quickly Do Vitamin B12

I immediately got an injection at the office but knew Id need a long term solution

Persistent fatigue, brain fog, low mood, weight gain, tingling in the hands or feet, frequent illness, post-COVID fatigue, or feeling generally "off" despite eating well and sleeping enough, especially if you're vegetarian, vegan, over 50, on metformin or a long-term acid reflux medication, or have a history of low B12 or pernicious anemia

Taking 5-amino-1mq with food introduces exogenous nicotinamide from protein metabolism, which competes for NNMT binding sites and reduces the peptides effective concentration at the target enzyme

It has FDA approval